8x^2-16-18=0

Solution for 8x^2-16-18=0 equation:

Simplifying
8x2 + -16 + -18 = 0

Reorder the terms:
-16 + -18 + 8x2 = 0

Combine like terms: -16 + -18 = -34
-34 + 8x2 = 0

Solving
-34 + 8x2 = 0

Solving for variable 'x'.

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

Add '34' to each side of the equation.
-34 + 34 + 8x2 = 0 + 34

Combine like terms: -34 + 34 = 0
0 + 8x2 = 0 + 34
8x2 = 0 + 34

Combine like terms: 0 + 34 = 34
8x2 = 34

Divide each side by '8'.
x2 = 4.25

Simplifying
x2 = 4.25

Take the square root of each side:
x = {-2.061552813, 2.061552813}