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

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


Simplifying
(2x + 3)(-1x) + -1(-1x) = (2)(2)(2x + 3)

Reorder the terms:
(3 + 2x)(-1x) + -1(-1x) = (2)(2)(2x + 3)

Remove parenthesis around (-1x)
(3 + 2x) * -1x + -1(-1x) = (2)(2)(2x + 3)

Reorder the terms for easier multiplication:
-1x(3 + 2x) + -1(-1x) = (2)(2)(2x + 3)
(3 * -1x + 2x * -1x) + -1(-1x) = (2)(2)(2x + 3)
(-3x + -2x2) + -1(-1x) = (2)(2)(2x + 3)

Remove parenthesis around (-1x)
-3x + -2x2 + -1 * -1x = (2)(2)(2x + 3)

Multiply -1 * -1
-3x + -2x2 + 1x = (2)(2)(2x + 3)

Reorder the terms:
-3x + 1x + -2x2 = (2)(2)(2x + 3)

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

Reorder the terms:
-2x + -2x2 = 2 * 2(3 + 2x)

Multiply 2 * 2
-2x + -2x2 = 4(3 + 2x)
-2x + -2x2 = (3 * 4 + 2x * 4)
-2x + -2x2 = (12 + 8x)

Solving
-2x + -2x2 = 12 + 8x

Solving for variable 'x'.

Reorder the terms:
-12 + -2x + -8x + -2x2 = 12 + 8x + -12 + -8x

Combine like terms: -2x + -8x = -10x
-12 + -10x + -2x2 = 12 + 8x + -12 + -8x

Reorder the terms:
-12 + -10x + -2x2 = 12 + -12 + 8x + -8x

Combine like terms: 12 + -12 = 0
-12 + -10x + -2x2 = 0 + 8x + -8x
-12 + -10x + -2x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-12 + -10x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '-2'.
-2(6 + 5x + x2) = 0

Factor a trinomial.
-2((3 + x)(2 + x)) = 0

Ignore the factor -2.

Subproblem 1

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-3, -2}

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