X^2-18-40=0

Solution for X^2-18-40=0 equation:

Simplifying
X2 + -18 + -40 = 0

Reorder the terms:
-18 + -40 + X2 = 0

Combine like terms: -18 + -40 = -58
-58 + X2 = 0

Solving
-58 + X2 = 0

Solving for variable 'X'.

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

Add '58' to each side of the equation.
-58 + 58 + X2 = 0 + 58

Combine like terms: -58 + 58 = 0
0 + X2 = 0 + 58
X2 = 0 + 58

Combine like terms: 0 + 58 = 58
X2 = 58

Simplifying
X2 = 58

Take the square root of each side:
X = {-7.615773106, 7.615773106}