12.5=x^2

Solution for 12.5=x^2 equation:

Simplifying
12.5 = x2

Solving
12.5 = 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.
12.5 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
12.5 + -1x2 = 0

Add '-12.5' to each side of the equation.
12.5 + -12.5 + -1x2 = 0 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + -1x2 = 0 + -12.5
-1x2 = 0 + -12.5

Combine like terms: 0 + -12.5 = -12.5
-1x2 = -12.5

Divide each side by '-1'.
x2 = 12.5

Simplifying
x2 = 12.5

Take the square root of each side:
x = {-3.535533906, 3.535533906}