121=x^2

Solution for 121=x^2 equation:

Simplifying
121 = x2

Solving
121 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
121 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
121 + -1x2 = 0

Add '-121' to each side of the equation.
121 + -121 + -1x2 = 0 + -121

Combine like terms: 121 + -121 = 0
0 + -1x2 = 0 + -121
-1x2 = 0 + -121

Combine like terms: 0 + -121 = -121
-1x2 = -121

Divide each side by '-1'.
x2 = 121

Simplifying
x2 = 121

Take the square root of each side:
x = {-11, 11}