2x^2-12=116

Solution for 2x^2-12=116 equation:

Simplifying
2x2 + -12 = 116

Reorder the terms:
-12 + 2x2 = 116

Solving
-12 + 2x2 = 116

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 2x2 = 116 + 12

Combine like terms: -12 + 12 = 0
0 + 2x2 = 116 + 12
2x2 = 116 + 12

Combine like terms: 116 + 12 = 128
2x2 = 128

Divide each side by '2'.
x2 = 64

Simplifying
x2 = 64

Take the square root of each side:
x = {-8, 8}