x^2+15x+80=26

Solution for x^2+15x+80=26 equation:

Simplifying
x2 + 15x + 80 = 26

Reorder the terms:
80 + 15x + x2 = 26

Solving
80 + 15x + x2 = 26

Solving for variable 'x'.

Reorder the terms:
80 + -26 + 15x + x2 = 26 + -26

Combine like terms: 80 + -26 = 54
54 + 15x + x2 = 26 + -26

Combine like terms: 26 + -26 = 0
54 + 15x + x2 = 0

Factor a trinomial.
(9 + x)(6 + x) = 0

Subproblem 1
Set the factor '(9 + x)' equal to zero and attempt to solve:

Simplifying
9 + x = 0

Solving
9 + x = 0

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

Add '-9' to each side of the equation.
9 + -9 + x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + x = 0 + -9
x = 0 + -9

Combine like terms: 0 + -9 = -9
x = -9

Simplifying
x = -9
Subproblem 2
Set the factor '(6 + x)' equal to zero and attempt to solve:

Simplifying
6 + x = 0

Solving
6 + x = 0

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

Add '-6' to each side of the equation.
6 + -6 + x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + x = 0 + -6
x = 0 + -6

Combine like terms: 0 + -6 = -6
x = -6

Simplifying
x = -6
Solution
x = {-9, -6}