x*x-5=126

Solution for x*x-5=126 equation:

Simplifying
x * x + -5 = 126

Multiply x * x
x2 + -5 = 126

Reorder the terms:
-5 + x2 = 126

Solving
-5 + x2 = 126

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + x2 = 126 + 5

Combine like terms: -5 + 5 = 0
0 + x2 = 126 + 5
x2 = 126 + 5

Combine like terms: 126 + 5 = 131
x2 = 131

Simplifying
x2 = 131

Take the square root of each side:
x = {-11.445523142, 11.445523142}