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

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


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

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

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

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

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

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

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

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

Multiply (5 + 7x) * (-2 + x)
-4x + 7x2 = (5(-2 + x) + 7x * (-2 + x))
-4x + 7x2 = ((-2 * 5 + x * 5) + 7x * (-2 + x))
-4x + 7x2 = ((-10 + 5x) + 7x * (-2 + x))
-4x + 7x2 = (-10 + 5x + (-2 * 7x + x * 7x))
-4x + 7x2 = (-10 + 5x + (-14x + 7x2))

Combine like terms: 5x + -14x = -9x
-4x + 7x2 = (-10 + -9x + 7x2)

Add '-7x2' to each side of the equation.
-4x + 7x2 + -7x2 = -10 + -9x + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-4x + 0 = -10 + -9x + 7x2 + -7x2
-4x = -10 + -9x + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-4x = -10 + -9x + 0
-4x = -10 + -9x

Solving
-4x = -10 + -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.
-4x + 9x = -10 + -9x + 9x

Combine like terms: -4x + 9x = 5x
5x = -10 + -9x + 9x

Combine like terms: -9x + 9x = 0
5x = -10 + 0
5x = -10

Divide each side by '5'.
x = -2

Simplifying
x = -2

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