2x^2+16=256

Solution for 2x^2+16=256 equation:

Simplifying
2x2 + 16 = 256

Reorder the terms:
16 + 2x2 = 256

Solving
16 + 2x2 = 256

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 + 2x2 = 256 + -16

Combine like terms: 16 + -16 = 0
0 + 2x2 = 256 + -16
2x2 = 256 + -16

Combine like terms: 256 + -16 = 240
2x2 = 240

Divide each side by '2'.
x2 = 120

Simplifying
x2 = 120

Take the square root of each side:
x = {-10.95445115, 10.95445115}