(2*x+4)(3-x)-(5*x+6)(x+2)=0

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Solution for (2*x+4)(3-x)-(5*x+6)(x+2)=0 equation:


Simplifying
(2x + 4)(3 + -1x) + -1(5x + 6)(x + 2) = 0

Reorder the terms:
(4 + 2x)(3 + -1x) + -1(5x + 6)(x + 2) = 0

Multiply (4 + 2x) * (3 + -1x)
(4(3 + -1x) + 2x * (3 + -1x)) + -1(5x + 6)(x + 2) = 0
((3 * 4 + -1x * 4) + 2x * (3 + -1x)) + -1(5x + 6)(x + 2) = 0
((12 + -4x) + 2x * (3 + -1x)) + -1(5x + 6)(x + 2) = 0
(12 + -4x + (3 * 2x + -1x * 2x)) + -1(5x + 6)(x + 2) = 0
(12 + -4x + (6x + -2x2)) + -1(5x + 6)(x + 2) = 0

Combine like terms: -4x + 6x = 2x
(12 + 2x + -2x2) + -1(5x + 6)(x + 2) = 0

Reorder the terms:
12 + 2x + -2x2 + -1(6 + 5x)(x + 2) = 0

Reorder the terms:
12 + 2x + -2x2 + -1(6 + 5x)(2 + x) = 0

Multiply (6 + 5x) * (2 + x)
12 + 2x + -2x2 + -1(6(2 + x) + 5x * (2 + x)) = 0
12 + 2x + -2x2 + -1((2 * 6 + x * 6) + 5x * (2 + x)) = 0
12 + 2x + -2x2 + -1((12 + 6x) + 5x * (2 + x)) = 0
12 + 2x + -2x2 + -1(12 + 6x + (2 * 5x + x * 5x)) = 0
12 + 2x + -2x2 + -1(12 + 6x + (10x + 5x2)) = 0

Combine like terms: 6x + 10x = 16x
12 + 2x + -2x2 + -1(12 + 16x + 5x2) = 0
12 + 2x + -2x2 + (12 * -1 + 16x * -1 + 5x2 * -1) = 0
12 + 2x + -2x2 + (-12 + -16x + -5x2) = 0

Reorder the terms:
12 + -12 + 2x + -16x + -2x2 + -5x2 = 0

Combine like terms: 12 + -12 = 0
0 + 2x + -16x + -2x2 + -5x2 = 0
2x + -16x + -2x2 + -5x2 = 0

Combine like terms: 2x + -16x = -14x
-14x + -2x2 + -5x2 = 0

Combine like terms: -2x2 + -5x2 = -7x2
-14x + -7x2 = 0

Solving
-14x + -7x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-7x'.
-7x(2 + x) = 0

Ignore the factor -7.

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 '(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 = {0, -2}

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