x^2-27-90=0

Solution for x^2-27-90=0 equation:

Simplifying
x2 + -27 + -90 = 0

Reorder the terms:
-27 + -90 + x2 = 0

Combine like terms: -27 + -90 = -117
-117 + x2 = 0

Solving
-117 + x2 = 0

Solving for variable 'x'.

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

Add '117' to each side of the equation.
-117 + 117 + x2 = 0 + 117

Combine like terms: -117 + 117 = 0
0 + x2 = 0 + 117
x2 = 0 + 117

Combine like terms: 0 + 117 = 117
x2 = 117

Simplifying
x2 = 117

Take the square root of each side:
x = {-10.816653826, 10.816653826}