2X^2+-128=0

Solution for 2X^2+-128=0 equation:

Simplifying
2X2 + -128 = 0

Reorder the terms:
-128 + 2X2 = 0

Solving
-128 + 2X2 = 0

Solving for variable 'X'.

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

Add '128' to each side of the equation.
-128 + 128 + 2X2 = 0 + 128

Combine like terms: -128 + 128 = 0
0 + 2X2 = 0 + 128
2X2 = 0 + 128

Combine like terms: 0 + 128 = 128
2X2 = 128

Divide each side by '2'.
X2 = 64

Simplifying
X2 = 64

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