256=2x^2

Solution for 256=2x^2 equation:

Simplifying
256 = 2x2

Solving
256 = 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
256 + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
256 + -2x2 = 0

Add '-256' to each side of the equation.
256 + -256 + -2x2 = 0 + -256

Combine like terms: 256 + -256 = 0
0 + -2x2 = 0 + -256
-2x2 = 0 + -256

Combine like terms: 0 + -256 = -256
-2x2 = -256

Divide each side by '-2'.
x2 = 128

Simplifying
x2 = 128

Take the square root of each side:
x = {-11.313708499, 11.313708499}