g^2-2g-8=

Solution for g^2-2g-8= equation:

Simplifying
g2 + -2g + -8 = 0

Reorder the terms:
-8 + -2g + g2 = 0

Solving
-8 + -2g + g2 = 0

Solving for variable 'g'.

Factor a trinomial.
(-2 + -1g)(4 + -1g) = 0

Subproblem 1
Set the factor '(-2 + -1g)' equal to zero and attempt to solve:

Simplifying
-2 + -1g = 0

Solving
-2 + -1g = 0

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

Add '2' to each side of the equation.
-2 + 2 + -1g = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1g = 0 + 2
-1g = 0 + 2

Combine like terms: 0 + 2 = 2
-1g = 2

Divide each side by '-1'.
g = -2

Simplifying
g = -2
Subproblem 2
Set the factor '(4 + -1g)' equal to zero and attempt to solve:

Simplifying
4 + -1g = 0

Solving
4 + -1g = 0

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

Add '-4' to each side of the equation.
4 + -4 + -1g = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1g = 0 + -4
-1g = 0 + -4

Combine like terms: 0 + -4 = -4
-1g = -4

Divide each side by '-1'.
g = 4

Simplifying
g = 4
Solution
g = {-2, 4}