225x^2-121=0

Solution for 225x^2-121=0 equation:

Simplifying
225x2 + -121 = 0

Reorder the terms:
-121 + 225x2 = 0

Solving
-121 + 225x2 = 0

Solving for variable 'x'.

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

Add '121' to each side of the equation.
-121 + 121 + 225x2 = 0 + 121

Combine like terms: -121 + 121 = 0
0 + 225x2 = 0 + 121
225x2 = 0 + 121

Combine like terms: 0 + 121 = 121
225x2 = 121

Divide each side by '225'.
x2 = 0.5377777778

Simplifying
x2 = 0.5377777778

Take the square root of each side:
x = {-0.733333333, 0.733333333}