X^2-17-18=0

Solution for X^2-17-18=0 equation:

Simplifying
X2 + -17 + -18 = 0

Reorder the terms:
-17 + -18 + X2 = 0

Combine like terms: -17 + -18 = -35
-35 + X2 = 0

Solving
-35 + X2 = 0

Solving for variable 'X'.

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

Add '35' to each side of the equation.
-35 + 35 + X2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + X2 = 0 + 35
X2 = 0 + 35

Combine like terms: 0 + 35 = 35
X2 = 35

Simplifying
X2 = 35

Take the square root of each side:
X = {-5.916079783, 5.916079783}