x+6=x^2+8x+16

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Solution for x+6=x^2+8x+16 equation:


Simplifying
x + 6 = x2 + 8x + 16

Reorder the terms:
6 + x = x2 + 8x + 16

Reorder the terms:
6 + x = 16 + 8x + x2

Solving
6 + x = 16 + 8x + x2

Solving for variable 'x'.

Reorder the terms:
6 + -16 + x + -8x + -1x2 = 16 + 8x + x2 + -16 + -8x + -1x2

Combine like terms: 6 + -16 = -10
-10 + x + -8x + -1x2 = 16 + 8x + x2 + -16 + -8x + -1x2

Combine like terms: x + -8x = -7x
-10 + -7x + -1x2 = 16 + 8x + x2 + -16 + -8x + -1x2

Reorder the terms:
-10 + -7x + -1x2 = 16 + -16 + 8x + -8x + x2 + -1x2

Combine like terms: 16 + -16 = 0
-10 + -7x + -1x2 = 0 + 8x + -8x + x2 + -1x2
-10 + -7x + -1x2 = 8x + -8x + x2 + -1x2

Combine like terms: 8x + -8x = 0
-10 + -7x + -1x2 = 0 + x2 + -1x2
-10 + -7x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-10 + -7x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(10 + 7x + x2) = 0

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

Ignore the factor -1.

Subproblem 1

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

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 = {-5, -2}

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