y=(x-2)(x-4)(x-2.05)(x-7)

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Solution for y=(x-2)(x-4)(x-2.05)(x-7) equation: 


Simplifying
y = (x + -2)(x + -4)(x + -2.05)(x + -7)

Reorder the terms:
y = (-2 + x)(x + -4)(x + -2.05)(x + -7)

Reorder the terms:
y = (-2 + x)(-4 + x)(x + -2.05)(x + -7)

Reorder the terms:
y = (-2 + x)(-4 + x)(-2.05 + x)(x + -7)

Reorder the terms:
y = (-2 + x)(-4 + x)(-2.05 + x)(-7 + x)

Multiply (-2 + x) * (-4 + x)
y = (-2(-4 + x) + x(-4 + x))(-2.05 + x)(-7 + x)
y = ((-4 * -2 + x * -2) + x(-4 + x))(-2.05 + x)(-7 + x)
y = ((8 + -2x) + x(-4 + x))(-2.05 + x)(-7 + x)
y = (8 + -2x + (-4 * x + x * x))(-2.05 + x)(-7 + x)
y = (8 + -2x + (-4x + x2))(-2.05 + x)(-7 + x)

Combine like terms: -2x + -4x = -6x
y = (8 + -6x + x2)(-2.05 + x)(-7 + x)

Multiply (8 + -6x + x2) * (-2.05 + x)
y = (8(-2.05 + x) + -6x * (-2.05 + x) + x2(-2.05 + x))(-7 + x)
y = ((-2.05 * 8 + x * 8) + -6x * (-2.05 + x) + x2(-2.05 + x))(-7 + x)
y = ((-16.4 + 8x) + -6x * (-2.05 + x) + x2(-2.05 + x))(-7 + x)
y = (-16.4 + 8x + (-2.05 * -6x + x * -6x) + x2(-2.05 + x))(-7 + x)
y = (-16.4 + 8x + (12.3x + -6x2) + x2(-2.05 + x))(-7 + x)
y = (-16.4 + 8x + 12.3x + -6x2 + (-2.05 * x2 + x * x2))(-7 + x)
y = (-16.4 + 8x + 12.3x + -6x2 + (-2.05x2 + x3))(-7 + x)

Combine like terms: 8x + 12.3x = 20.3x
y = (-16.4 + 20.3x + -6x2 + -2.05x2 + x3)(-7 + x)

Combine like terms: -6x2 + -2.05x2 = -8.05x2
y = (-16.4 + 20.3x + -8.05x2 + x3)(-7 + x)

Multiply (-16.4 + 20.3x + -8.05x2 + x3) * (-7 + x)
y = (-16.4(-7 + x) + 20.3x * (-7 + x) + -8.05x2 * (-7 + x) + x3(-7 + x))
y = ((-7 * -16.4 + x * -16.4) + 20.3x * (-7 + x) + -8.05x2 * (-7 + x) + x3(-7 + x))
y = ((114.8 + -16.4x) + 20.3x * (-7 + x) + -8.05x2 * (-7 + x) + x3(-7 + x))
y = (114.8 + -16.4x + (-7 * 20.3x + x * 20.3x) + -8.05x2 * (-7 + x) + x3(-7 + x))
y = (114.8 + -16.4x + (-142.1x + 20.3x2) + -8.05x2 * (-7 + x) + x3(-7 + x))
y = (114.8 + -16.4x + -142.1x + 20.3x2 + (-7 * -8.05x2 + x * -8.05x2) + x3(-7 + x))
y = (114.8 + -16.4x + -142.1x + 20.3x2 + (56.35x2 + -8.05x3) + x3(-7 + x))
y = (114.8 + -16.4x + -142.1x + 20.3x2 + 56.35x2 + -8.05x3 + (-7 * x3 + x * x3))
y = (114.8 + -16.4x + -142.1x + 20.3x2 + 56.35x2 + -8.05x3 + (-7x3 + x4))

Combine like terms: -16.4x + -142.1x = -158.5x
y = (114.8 + -158.5x + 20.3x2 + 56.35x2 + -8.05x3 + -7x3 + x4)

Combine like terms: 20.3x2 + 56.35x2 = 76.65x2
y = (114.8 + -158.5x + 76.65x2 + -8.05x3 + -7x3 + x4)

Combine like terms: -8.05x3 + -7x3 = -15.05x3
y = (114.8 + -158.5x + 76.65x2 + -15.05x3 + x4)

Solving
y = 114.8 + -158.5x + 76.65x2 + -15.05x3 + x4

Solving for variable 'y'.

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

Simplifying
y = 114.8 + -158.5x + 76.65x2 + -15.05x3 + x4

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