X^2-18+8=0

Solution for X^2-18+8=0 equation:

Simplifying
X2 + -18 + 8 = 0

Reorder the terms:
-18 + 8 + X2 = 0

Combine like terms: -18 + 8 = -10
-10 + X2 = 0

Solving
-10 + X2 = 0

Solving for variable 'X'.

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

Add '10' to each side of the equation.
-10 + 10 + X2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + X2 = 0 + 10
X2 = 0 + 10

Combine like terms: 0 + 10 = 10
X2 = 10

Simplifying
X2 = 10

Take the square root of each side:
X = {-3.16227766, 3.16227766}