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

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


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

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

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

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

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

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

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

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

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

Add '8' to each side of the equation.
-8 + -6x + 8 + 2x2 = -8 + 2x + 8 + x2

Reorder the terms:
-8 + 8 + -6x + 2x2 = -8 + 2x + 8 + x2

Combine like terms: -8 + 8 = 0
0 + -6x + 2x2 = -8 + 2x + 8 + x2
-6x + 2x2 = -8 + 2x + 8 + x2

Reorder the terms:
-6x + 2x2 = -8 + 8 + 2x + x2

Combine like terms: -8 + 8 = 0
-6x + 2x2 = 0 + 2x + x2
-6x + 2x2 = 2x + x2

Solving
-6x + 2x2 = 2x + x2

Solving for variable 'x'.

Reorder the terms:
-6x + -2x + 2x2 + -1x2 = 2x + x2 + -2x + -1x2

Combine like terms: -6x + -2x = -8x
-8x + 2x2 + -1x2 = 2x + x2 + -2x + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
-8x + 1x2 = 2x + x2 + -2x + -1x2

Reorder the terms:
-8x + 1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
-8x + 1x2 = 0 + x2 + -1x2
-8x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-8x + 1x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-8 + x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-8 + x)' equal to zero and attempt to solve: Simplifying -8 + x = 0 Solving -8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + x = 0 + 8 x = 0 + 8 Combine like terms: 0 + 8 = 8 x = 8 Simplifying x = 8

Solution

x = {0, 8}

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