X^2+5-90=0

Solution for X^2+5-90=0 equation:

Simplifying
X2 + 5 + -90 = 0

Reorder the terms:
5 + -90 + X2 = 0

Combine like terms: 5 + -90 = -85
-85 + X2 = 0

Solving
-85 + X2 = 0

Solving for variable 'X'.

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

Add '85' to each side of the equation.
-85 + 85 + X2 = 0 + 85

Combine like terms: -85 + 85 = 0
0 + X2 = 0 + 85
X2 = 0 + 85

Combine like terms: 0 + 85 = 85
X2 = 85

Simplifying
X2 = 85

Take the square root of each side:
X = {-9.219544457, 9.219544457}