x^2+18x+25=8

Solution for x^2+18x+25=8 equation:

Simplifying
x2 + 18x + 25 = 8

Reorder the terms:
25 + 18x + x2 = 8

Solving
25 + 18x + x2 = 8

Solving for variable 'x'.

Reorder the terms:
25 + -8 + 18x + x2 = 8 + -8

Combine like terms: 25 + -8 = 17
17 + 18x + x2 = 8 + -8

Combine like terms: 8 + -8 = 0
17 + 18x + x2 = 0

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

Subproblem 1
Set the factor '(17 + x)' equal to zero and attempt to solve:

Simplifying
17 + x = 0

Solving
17 + x = 0

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

Add '-17' to each side of the equation.
17 + -17 + x = 0 + -17

Combine like terms: 17 + -17 = 0
0 + x = 0 + -17
x = 0 + -17

Combine like terms: 0 + -17 = -17
x = -17

Simplifying
x = -17
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 = {-17, -1}