5x^2-256=0

Solution for 5x^2-256=0 equation:

Simplifying
5x2 + -256 = 0

Reorder the terms:
-256 + 5x2 = 0

Solving
-256 + 5x2 = 0

Solving for variable 'x'.

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

Add '256' to each side of the equation.
-256 + 256 + 5x2 = 0 + 256

Combine like terms: -256 + 256 = 0
0 + 5x2 = 0 + 256
5x2 = 0 + 256

Combine like terms: 0 + 256 = 256
5x2 = 256

Divide each side by '5'.
x2 = 51.2

Simplifying
x2 = 51.2

Take the square root of each side:
x = {-7.155417528, 7.155417528}