8x^2+104x=-336

Solution for 8x^2+104x=-336 equation:

Simplifying
8x2 + 104x = -336

Reorder the terms:
104x + 8x2 = -336

Solving
104x + 8x2 = -336

Solving for variable 'x'.

Reorder the terms:
336 + 104x + 8x2 = -336 + 336

Combine like terms: -336 + 336 = 0
336 + 104x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(42 + 13x + x2) = 0

Factor a trinomial.
8((7 + x)(6 + x)) = 0

Ignore the factor 8.
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 '(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 = {-7, -6}