y=(x+3)(x+1)(x+1)(x-1)(x-1)(7+3i)(7-3i)

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Solution for y=(x+3)(x+1)(x+1)(x-1)(x-1)(7+3i)(7-3i) equation: 


Simplifying
y = (x + 3)(x + 1)(x + 1)(x + -1)(x + -1)(7 + 3i)(7 + -3i)

Reorder the terms:
y = (3 + x)(x + 1)(x + 1)(x + -1)(x + -1)(7 + 3i)(7 + -3i)

Reorder the terms:
y = (3 + x)(1 + x)(x + 1)(x + -1)(x + -1)(7 + 3i)(7 + -3i)

Reorder the terms:
y = (3 + x)(1 + x)(1 + x)(x + -1)(x + -1)(7 + 3i)(7 + -3i)

Reorder the terms:
y = (3 + x)(1 + x)(1 + x)(-1 + x)(x + -1)(7 + 3i)(7 + -3i)

Reorder the terms:
y = (3 + x)(1 + x)(1 + x)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)

Multiply (3 + x) * (1 + x)
y = (3(1 + x) + x(1 + x))(1 + x)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = ((1 * 3 + x * 3) + x(1 + x))(1 + x)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = ((3 + 3x) + x(1 + x))(1 + x)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = (3 + 3x + (1 * x + x * x))(1 + x)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = (3 + 3x + (1x + x2))(1 + x)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)

Combine like terms: 3x + 1x = 4x
y = (3 + 4x + x2)(1 + x)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)

Multiply (3 + 4x + x2) * (1 + x)
y = (3(1 + x) + 4x * (1 + x) + x2(1 + x))(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = ((1 * 3 + x * 3) + 4x * (1 + x) + x2(1 + x))(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = ((3 + 3x) + 4x * (1 + x) + x2(1 + x))(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = (3 + 3x + (1 * 4x + x * 4x) + x2(1 + x))(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = (3 + 3x + (4x + 4x2) + x2(1 + x))(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = (3 + 3x + 4x + 4x2 + (1 * x2 + x * x2))(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)
y = (3 + 3x + 4x + 4x2 + (1x2 + x3))(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)

Combine like terms: 3x + 4x = 7x
y = (3 + 7x + 4x2 + 1x2 + x3)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)

Combine like terms: 4x2 + 1x2 = 5x2
y = (3 + 7x + 5x2 + x3)(-1 + x)(-1 + x)(7 + 3i)(7 + -3i)

Multiply (3 + 7x + 5x2 + x3) * (-1 + x)
y = (3(-1 + x) + 7x * (-1 + x) + 5x2 * (-1 + x) + x3(-1 + x))(-1 + x)(7 + 3i)(7 + -3i)
y = ((-1 * 3 + x * 3) + 7x * (-1 + x) + 5x2 * (-1 + x) + x3(-1 + x))(-1 + x)(7 + 3i)(7 + -3i)
y = ((-3 + 3x) + 7x * (-1 + x) + 5x2 * (-1 + x) + x3(-1 + x))(-1 + x)(7 + 3i)(7 + -3i)
y = (-3 + 3x + (-1 * 7x + x * 7x) + 5x2 * (-1 + x) + x3(-1 + x))(-1 + x)(7 + 3i)(7 + -3i)
y = (-3 + 3x + (-7x + 7x2) + 5x2 * (-1 + x) + x3(-1 + x))(-1 + x)(7 + 3i)(7 + -3i)
y = (-3 + 3x + -7x + 7x2 + (-1 * 5x2 + x * 5x2) + x3(-1 + x))(-1 + x)(7 + 3i)(7 + -3i)
y = (-3 + 3x + -7x + 7x2 + (-5x2 + 5x3) + x3(-1 + x))(-1 + x)(7 + 3i)(7 + -3i)
y = (-3 + 3x + -7x + 7x2 + -5x2 + 5x3 + (-1 * x3 + x * x3))(-1 + x)(7 + 3i)(7 + -3i)
y = (-3 + 3x + -7x + 7x2 + -5x2 + 5x3 + (-1x3 + x4))(-1 + x)(7 + 3i)(7 + -3i)

Combine like terms: 3x + -7x = -4x
y = (-3 + -4x + 7x2 + -5x2 + 5x3 + -1x3 + x4)(-1 + x)(7 + 3i)(7 + -3i)

Combine like terms: 7x2 + -5x2 = 2x2
y = (-3 + -4x + 2x2 + 5x3 + -1x3 + x4)(-1 + x)(7 + 3i)(7 + -3i)

Combine like terms: 5x3 + -1x3 = 4x3
y = (-3 + -4x + 2x2 + 4x3 + x4)(-1 + x)(7 + 3i)(7 + -3i)

Multiply (-3 + -4x + 2x2 + 4x3 + x4) * (-1 + x)
y = (-3(-1 + x) + -4x * (-1 + x) + 2x2 * (-1 + x) + 4x3 * (-1 + x) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = ((-1 * -3 + x * -3) + -4x * (-1 + x) + 2x2 * (-1 + x) + 4x3 * (-1 + x) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = ((3 + -3x) + -4x * (-1 + x) + 2x2 * (-1 + x) + 4x3 * (-1 + x) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = (3 + -3x + (-1 * -4x + x * -4x) + 2x2 * (-1 + x) + 4x3 * (-1 + x) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = (3 + -3x + (4x + -4x2) + 2x2 * (-1 + x) + 4x3 * (-1 + x) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = (3 + -3x + 4x + -4x2 + (-1 * 2x2 + x * 2x2) + 4x3 * (-1 + x) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = (3 + -3x + 4x + -4x2 + (-2x2 + 2x3) + 4x3 * (-1 + x) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = (3 + -3x + 4x + -4x2 + -2x2 + 2x3 + (-1 * 4x3 + x * 4x3) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = (3 + -3x + 4x + -4x2 + -2x2 + 2x3 + (-4x3 + 4x4) + x4(-1 + x))(7 + 3i)(7 + -3i)
y = (3 + -3x + 4x + -4x2 + -2x2 + 2x3 + -4x3 + 4x4 + (-1 * x4 + x * x4))(7 + 3i)(7 + -3i)
y = (3 + -3x + 4x + -4x2 + -2x2 + 2x3 + -4x3 + 4x4 + (-1x4 + x5))(7 + 3i)(7 + -3i)

Combine like terms: -3x + 4x = 1x
y = (3 + 1x + -4x2 + -2x2 + 2x3 + -4x3 + 4x4 + -1x4 + x5)(7 + 3i)(7 + -3i)

Combine like terms: -4x2 + -2x2 = -6x2
y = (3 + 1x + -6x2 + 2x3 + -4x3 + 4x4 + -1x4 + x5)(7 + 3i)(7 + -3i)

Combine like terms: 2x3 + -4x3 = -2x3
y = (3 + 1x + -6x2 + -2x3 + 4x4 + -1x4 + x5)(7 + 3i)(7 + -3i)

Combine like terms: 4x4 + -1x4 = 3x4
y = (3 + 1x + -6x2 + -2x3 + 3x4 + x5)(7 + 3i)(7 + -3i)

Multiply (3 + 1x + -6x2 + -2x3 + 3x4 + x5) * (7 + 3i)
y = (3(7 + 3i) + 1x * (7 + 3i) + -6x2 * (7 + 3i) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = ((7 * 3 + 3i * 3) + 1x * (7 + 3i) + -6x2 * (7 + 3i) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = ((21 + 9i) + 1x * (7 + 3i) + -6x2 * (7 + 3i) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + (7 * 1x + 3i * 1x) + -6x2 * (7 + 3i) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)

Reorder the terms:
y = (21 + 9i + (3ix + 7x) + -6x2 * (7 + 3i) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + (3ix + 7x) + -6x2 * (7 + 3i) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + 3ix + 7x + (7 * -6x2 + 3i * -6x2) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)

Reorder the terms:
y = (21 + 9i + 3ix + 7x + (-18ix2 + -42x2) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + 3ix + 7x + (-18ix2 + -42x2) + -2x3 * (7 + 3i) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + (7 * -2x3 + 3i * -2x3) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)

Reorder the terms:
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + (-6ix3 + -14x3) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + (-6ix3 + -14x3) + 3x4 * (7 + 3i) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + -6ix3 + -14x3 + (7 * 3x4 + 3i * 3x4) + x5(7 + 3i))(7 + -3i)

Reorder the terms:
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + -6ix3 + -14x3 + (9ix4 + 21x4) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + -6ix3 + -14x3 + (9ix4 + 21x4) + x5(7 + 3i))(7 + -3i)
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + -6ix3 + -14x3 + 9ix4 + 21x4 + (7 * x5 + 3i * x5))(7 + -3i)

Reorder the terms:
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + -6ix3 + -14x3 + 9ix4 + 21x4 + (3ix5 + 7x5))(7 + -3i)
y = (21 + 9i + 3ix + 7x + -18ix2 + -42x2 + -6ix3 + -14x3 + 9ix4 + 21x4 + (3ix5 + 7x5))(7 + -3i)

Reorder the terms:
y = (21 + 9i + 3ix + -18ix2 + -6ix3 + 9ix4 + 3ix5 + 7x + -42x2 + -14x3 + 21x4 + 7x5)(7 + -3i)
y = (21 + 9i + 3ix + -18ix2 + -6ix3 + 9ix4 + 3ix5 + 7x + -42x2 + -14x3 + 21x4 + 7x5)(7 + -3i)

Multiply (21 + 9i + 3ix + -18ix2 + -6ix3 + 9ix4 + 3ix5 + 7x + -42x2 + -14x3 + 21x4 + 7x5) * (7 + -3i)
y = (21(7 + -3i) + 9i * (7 + -3i) + 3ix * (7 + -3i) + -18ix2 * (7 + -3i) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = ((7 * 21 + -3i * 21) + 9i * (7 + -3i) + 3ix * (7 + -3i) + -18ix2 * (7 + -3i) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = ((147 + -63i) + 9i * (7 + -3i) + 3ix * (7 + -3i) + -18ix2 * (7 + -3i) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + (7 * 9i + -3i * 9i) + 3ix * (7 + -3i) + -18ix2 * (7 + -3i) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + (63i + -27i2) + 3ix * (7 + -3i) + -18ix2 * (7 + -3i) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + (7 * 3ix + -3i * 3ix) + -18ix2 * (7 + -3i) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + (21ix + -9i2x) + -18ix2 * (7 + -3i) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + (7 * -18ix2 + -3i * -18ix2) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + (-126ix2 + 54i2x2) + -6ix3 * (7 + -3i) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + (7 * -6ix3 + -3i * -6ix3) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + (-42ix3 + 18i2x3) + 9ix4 * (7 + -3i) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + (7 * 9ix4 + -3i * 9ix4) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + (63ix4 + -27i2x4) + 3ix5 * (7 + -3i) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + (7 * 3ix5 + -3i * 3ix5) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + (21ix5 + -9i2x5) + 7x * (7 + -3i) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + (7 * 7x + -3i * 7x) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))

Reorder the terms:
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + (-21ix + 49x) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + (-21ix + 49x) + -42x2 * (7 + -3i) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + (7 * -42x2 + -3i * -42x2) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))

Reorder the terms:
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + (126ix2 + -294x2) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + (126ix2 + -294x2) + -14x3 * (7 + -3i) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + (7 * -14x3 + -3i * -14x3) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))

Reorder the terms:
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + (42ix3 + -98x3) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + (42ix3 + -98x3) + 21x4 * (7 + -3i) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + 42ix3 + -98x3 + (7 * 21x4 + -3i * 21x4) + 7x5 * (7 + -3i))

Reorder the terms:
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + 42ix3 + -98x3 + (-63ix4 + 147x4) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + 42ix3 + -98x3 + (-63ix4 + 147x4) + 7x5 * (7 + -3i))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + 42ix3 + -98x3 + -63ix4 + 147x4 + (7 * 7x5 + -3i * 7x5))

Reorder the terms:
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + 42ix3 + -98x3 + -63ix4 + 147x4 + (-21ix5 + 49x5))
y = (147 + -63i + 63i + -27i2 + 21ix + -9i2x + -126ix2 + 54i2x2 + -42ix3 + 18i2x3 + 63ix4 + -27i2x4 + 21ix5 + -9i2x5 + -21ix + 49x + 126ix2 + -294x2 + 42ix3 + -98x3 + -63ix4 + 147x4 + (-21ix5 + 49x5))

Reorder the terms:
y = (147 + -63i + 63i + 21ix + -21ix + -126ix2 + 126ix2 + -42ix3 + 42ix3 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)

Combine like terms: -63i + 63i = 0
y = (147 + 0 + 21ix + -21ix + -126ix2 + 126ix2 + -42ix3 + 42ix3 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)
y = (147 + 21ix + -21ix + -126ix2 + 126ix2 + -42ix3 + 42ix3 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)

Combine like terms: 21ix + -21ix = 0
y = (147 + 0 + -126ix2 + 126ix2 + -42ix3 + 42ix3 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)
y = (147 + -126ix2 + 126ix2 + -42ix3 + 42ix3 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)

Combine like terms: -126ix2 + 126ix2 = 0
y = (147 + 0 + -42ix3 + 42ix3 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)
y = (147 + -42ix3 + 42ix3 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)

Combine like terms: -42ix3 + 42ix3 = 0
y = (147 + 0 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)
y = (147 + 63ix4 + -63ix4 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)

Combine like terms: 63ix4 + -63ix4 = 0
y = (147 + 0 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)
y = (147 + 21ix5 + -21ix5 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)

Combine like terms: 21ix5 + -21ix5 = 0
y = (147 + 0 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)
y = (147 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5)

Solving
y = 147 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Simplifying
y = 147 + -27i2 + -9i2x + 54i2x2 + 18i2x3 + -27i2x4 + -9i2x5 + 49x + -294x2 + -98x3 + 147x4 + 49x5

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