121x^2-256=0

Solution for 121x^2-256=0 equation:

Simplifying
121x2 + -256 = 0

Reorder the terms:
-256 + 121x2 = 0

Solving
-256 + 121x2 = 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 + 121x2 = 0 + 256

Combine like terms: -256 + 256 = 0
0 + 121x2 = 0 + 256
121x2 = 0 + 256

Combine like terms: 0 + 256 = 256
121x2 = 256

Divide each side by '121'.
x2 = 2.115702479

Simplifying
x2 = 2.115702479

Take the square root of each side:
x = {-1.454545454, 1.454545454}