5=x*x

Solution for 5=x*x equation:

Simplifying
5 = x * x

Multiply x * x
5 = x2

Solving
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.
5 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
5 + -1x2 = 0

Add '-5' to each side of the equation.
5 + -5 + -1x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1x2 = 0 + -5
-1x2 = 0 + -5

Combine like terms: 0 + -5 = -5
-1x2 = -5

Divide each side by '-1'.
x2 = 5

Simplifying
x2 = 5

Take the square root of each side:
x = {-2.236067978, 2.236067978}