x(2x-4)+x(6x-3)=(8x+7)(x-2)

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Solution for x(2x-4)+x(6x-3)=(8x+7)(x-2) equation:


Simplifying
x(2x + -4) + x(6x + -3) = (8x + 7)(x + -2)

Reorder the terms:
x(-4 + 2x) + x(6x + -3) = (8x + 7)(x + -2)
(-4 * x + 2x * x) + x(6x + -3) = (8x + 7)(x + -2)
(-4x + 2x2) + x(6x + -3) = (8x + 7)(x + -2)

Reorder the terms:
-4x + 2x2 + x(-3 + 6x) = (8x + 7)(x + -2)
-4x + 2x2 + (-3 * x + 6x * x) = (8x + 7)(x + -2)
-4x + 2x2 + (-3x + 6x2) = (8x + 7)(x + -2)

Reorder the terms:
-4x + -3x + 2x2 + 6x2 = (8x + 7)(x + -2)

Combine like terms: -4x + -3x = -7x
-7x + 2x2 + 6x2 = (8x + 7)(x + -2)

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

Reorder the terms:
-7x + 8x2 = (7 + 8x)(x + -2)

Reorder the terms:
-7x + 8x2 = (7 + 8x)(-2 + x)

Multiply (7 + 8x) * (-2 + x)
-7x + 8x2 = (7(-2 + x) + 8x * (-2 + x))
-7x + 8x2 = ((-2 * 7 + x * 7) + 8x * (-2 + x))
-7x + 8x2 = ((-14 + 7x) + 8x * (-2 + x))
-7x + 8x2 = (-14 + 7x + (-2 * 8x + x * 8x))
-7x + 8x2 = (-14 + 7x + (-16x + 8x2))

Combine like terms: 7x + -16x = -9x
-7x + 8x2 = (-14 + -9x + 8x2)

Add '-8x2' to each side of the equation.
-7x + 8x2 + -8x2 = -14 + -9x + 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-7x + 0 = -14 + -9x + 8x2 + -8x2
-7x = -14 + -9x + 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-7x = -14 + -9x + 0
-7x = -14 + -9x

Solving
-7x = -14 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-7x + 9x = -14 + -9x + 9x

Combine like terms: -7x + 9x = 2x
2x = -14 + -9x + 9x

Combine like terms: -9x + 9x = 0
2x = -14 + 0
2x = -14

Divide each side by '2'.
x = -7

Simplifying
x = -7

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