x^2+2x+15=-7x+1

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Solution for x^2+2x+15=-7x+1 equation: 


Simplifying
x2 + 2x + 15 = -7x + 1

Reorder the terms:
15 + 2x + x2 = -7x + 1

Reorder the terms:
15 + 2x + x2 = 1 + -7x

Solving
15 + 2x + x2 = 1 + -7x

Solving for variable 'x'.

Reorder the terms:
15 + -1 + 2x + 7x + x2 = 1 + -7x + -1 + 7x

Combine like terms: 15 + -1 = 14
14 + 2x + 7x + x2 = 1 + -7x + -1 + 7x

Combine like terms: 2x + 7x = 9x
14 + 9x + x2 = 1 + -7x + -1 + 7x

Reorder the terms:
14 + 9x + x2 = 1 + -1 + -7x + 7x

Combine like terms: 1 + -1 = 0
14 + 9x + x2 = 0 + -7x + 7x
14 + 9x + x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
14 + 9x + x2 = 0

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


Subproblem 1
Set the factor '(7 + x)' equal to zero and attempt to solve:

Simplifying
7 + x = 0

Solving
7 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + x = 0 + -7
x = 0 + -7

Combine like terms: 0 + -7 = -7
x = -7

Simplifying
x = -7

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 = {-7, -2}

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