x^2+3x+8=-8x-2

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Solution for x^2+3x+8=-8x-2 equation:


Simplifying
x2 + 3x + 8 = -8x + -2

Reorder the terms:
8 + 3x + x2 = -8x + -2

Reorder the terms:
8 + 3x + x2 = -2 + -8x

Solving
8 + 3x + x2 = -2 + -8x

Solving for variable 'x'.

Reorder the terms:
8 + 2 + 3x + 8x + x2 = -2 + -8x + 2 + 8x

Combine like terms: 8 + 2 = 10
10 + 3x + 8x + x2 = -2 + -8x + 2 + 8x

Combine like terms: 3x + 8x = 11x
10 + 11x + x2 = -2 + -8x + 2 + 8x

Reorder the terms:
10 + 11x + x2 = -2 + 2 + -8x + 8x

Combine like terms: -2 + 2 = 0
10 + 11x + x2 = 0 + -8x + 8x
10 + 11x + x2 = -8x + 8x

Combine like terms: -8x + 8x = 0
10 + 11x + x2 = 0

Factor a trinomial.
(10 + x)(1 + x) = 0

Subproblem 1

Set the factor '(10 + x)' equal to zero and attempt to solve: Simplifying 10 + x = 0 Solving 10 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + x = 0 + -10 x = 0 + -10 Combine like terms: 0 + -10 = -10 x = -10 Simplifying x = -10

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 = {-10, -1}

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