x^2+3x+8=-4x-2

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Solution for x^2+3x+8=-4x-2 equation: 


Simplifying
x2 + 3x + 8 = -4x + -2

Reorder the terms:
8 + 3x + x2 = -4x + -2

Reorder the terms:
8 + 3x + x2 = -2 + -4x

Solving
8 + 3x + x2 = -2 + -4x

Solving for variable 'x'.

Reorder the terms:
8 + 2 + 3x + 4x + x2 = -2 + -4x + 2 + 4x

Combine like terms: 8 + 2 = 10
10 + 3x + 4x + x2 = -2 + -4x + 2 + 4x

Combine like terms: 3x + 4x = 7x
10 + 7x + x2 = -2 + -4x + 2 + 4x

Reorder the terms:
10 + 7x + x2 = -2 + 2 + -4x + 4x

Combine like terms: -2 + 2 = 0
10 + 7x + x2 = 0 + -4x + 4x
10 + 7x + x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
10 + 7x + x2 = 0

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


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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