8x^2-16=64

Solution for 8x^2-16=64 equation:

Simplifying
8x2 + -16 = 64

Reorder the terms:
-16 + 8x2 = 64

Solving
-16 + 8x2 = 64

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 8x2 = 64 + 16

Combine like terms: -16 + 16 = 0
0 + 8x2 = 64 + 16
8x2 = 64 + 16

Combine like terms: 64 + 16 = 80
8x2 = 80

Divide each side by '8'.
x2 = 10

Simplifying
x2 = 10

Take the square root of each side:
x = {-3.16227766, 3.16227766}