(x+3)(x-2)=(2x+8)(x-2)

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


Simplifying
(x + 3)(x + -2) = (2x + 8)(x + -2)

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

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

Multiply (3 + x) * (-2 + x)
(3(-2 + x) + x(-2 + x)) = (2x + 8)(x + -2)
((-2 * 3 + x * 3) + x(-2 + x)) = (2x + 8)(x + -2)
((-6 + 3x) + x(-2 + x)) = (2x + 8)(x + -2)
(-6 + 3x + (-2 * x + x * x)) = (2x + 8)(x + -2)
(-6 + 3x + (-2x + x2)) = (2x + 8)(x + -2)

Combine like terms: 3x + -2x = 1x
(-6 + 1x + x2) = (2x + 8)(x + -2)

Reorder the terms:
-6 + 1x + x2 = (8 + 2x)(x + -2)

Reorder the terms:
-6 + 1x + x2 = (8 + 2x)(-2 + x)

Multiply (8 + 2x) * (-2 + x)
-6 + 1x + x2 = (8(-2 + x) + 2x * (-2 + x))
-6 + 1x + x2 = ((-2 * 8 + x * 8) + 2x * (-2 + x))
-6 + 1x + x2 = ((-16 + 8x) + 2x * (-2 + x))
-6 + 1x + x2 = (-16 + 8x + (-2 * 2x + x * 2x))
-6 + 1x + x2 = (-16 + 8x + (-4x + 2x2))

Combine like terms: 8x + -4x = 4x
-6 + 1x + x2 = (-16 + 4x + 2x2)

Solving
-6 + 1x + x2 = -16 + 4x + 2x2

Solving for variable 'x'.

Reorder the terms:
-6 + 16 + 1x + -4x + x2 + -2x2 = -16 + 4x + 2x2 + 16 + -4x + -2x2

Combine like terms: -6 + 16 = 10
10 + 1x + -4x + x2 + -2x2 = -16 + 4x + 2x2 + 16 + -4x + -2x2

Combine like terms: 1x + -4x = -3x
10 + -3x + x2 + -2x2 = -16 + 4x + 2x2 + 16 + -4x + -2x2

Combine like terms: x2 + -2x2 = -1x2
10 + -3x + -1x2 = -16 + 4x + 2x2 + 16 + -4x + -2x2

Reorder the terms:
10 + -3x + -1x2 = -16 + 16 + 4x + -4x + 2x2 + -2x2

Combine like terms: -16 + 16 = 0
10 + -3x + -1x2 = 0 + 4x + -4x + 2x2 + -2x2
10 + -3x + -1x2 = 4x + -4x + 2x2 + -2x2

Combine like terms: 4x + -4x = 0
10 + -3x + -1x2 = 0 + 2x2 + -2x2
10 + -3x + -1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
10 + -3x + -1x2 = 0

Factor a trinomial.
(2 + -1x)(5 + x) = 0

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {2, -5}

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