x(5x-4)+x(2x-2)=(7x+4)(x-2)

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Solution for x(5x-4)+x(2x-2)=(7x+4)(x-2) equation:


Simplifying
x(5x + -4) + x(2x + -2) = (7x + 4)(x + -2)

Reorder the terms:
x(-4 + 5x) + x(2x + -2) = (7x + 4)(x + -2)
(-4 * x + 5x * x) + x(2x + -2) = (7x + 4)(x + -2)
(-4x + 5x2) + x(2x + -2) = (7x + 4)(x + -2)

Reorder the terms:
-4x + 5x2 + x(-2 + 2x) = (7x + 4)(x + -2)
-4x + 5x2 + (-2 * x + 2x * x) = (7x + 4)(x + -2)
-4x + 5x2 + (-2x + 2x2) = (7x + 4)(x + -2)

Reorder the terms:
-4x + -2x + 5x2 + 2x2 = (7x + 4)(x + -2)

Combine like terms: -4x + -2x = -6x
-6x + 5x2 + 2x2 = (7x + 4)(x + -2)

Combine like terms: 5x2 + 2x2 = 7x2
-6x + 7x2 = (7x + 4)(x + -2)

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

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

Multiply (4 + 7x) * (-2 + x)
-6x + 7x2 = (4(-2 + x) + 7x * (-2 + x))
-6x + 7x2 = ((-2 * 4 + x * 4) + 7x * (-2 + x))
-6x + 7x2 = ((-8 + 4x) + 7x * (-2 + x))
-6x + 7x2 = (-8 + 4x + (-2 * 7x + x * 7x))
-6x + 7x2 = (-8 + 4x + (-14x + 7x2))

Combine like terms: 4x + -14x = -10x
-6x + 7x2 = (-8 + -10x + 7x2)

Add '-7x2' to each side of the equation.
-6x + 7x2 + -7x2 = -8 + -10x + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-6x + 0 = -8 + -10x + 7x2 + -7x2
-6x = -8 + -10x + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-6x = -8 + -10x + 0
-6x = -8 + -10x

Solving
-6x = -8 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
-6x + 10x = -8 + -10x + 10x

Combine like terms: -6x + 10x = 4x
4x = -8 + -10x + 10x

Combine like terms: -10x + 10x = 0
4x = -8 + 0
4x = -8

Divide each side by '4'.
x = -2

Simplifying
x = -2

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