2(x+6)+(x+2)(x-2)=x+8

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Solution for 2(x+6)+(x+2)(x-2)=x+8 equation:


Simplifying
2(x + 6) + (x + 2)(x + -2) = x + 8

Reorder the terms:
2(6 + x) + (x + 2)(x + -2) = x + 8
(6 * 2 + x * 2) + (x + 2)(x + -2) = x + 8
(12 + 2x) + (x + 2)(x + -2) = x + 8

Reorder the terms:
12 + 2x + (2 + x)(x + -2) = x + 8

Reorder the terms:
12 + 2x + (2 + x)(-2 + x) = x + 8

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

Combine like terms: 2x + -2x = 0
12 + 2x + (-4 + 0 + x2) = x + 8
12 + 2x + (-4 + x2) = x + 8

Reorder the terms:
12 + -4 + 2x + x2 = x + 8

Combine like terms: 12 + -4 = 8
8 + 2x + x2 = x + 8

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

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

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

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

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

Solving
2x + x2 = x

Solving for variable 'x'.

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

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

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

Factor out the Greatest Common Factor (GCF), 'x'.
x(1 + 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 '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {0, -1}

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