18x^2-128=0

Solution for 18x^2-128=0 equation:

Simplifying
18x2 + -128 = 0

Reorder the terms:
-128 + 18x2 = 0

Solving
-128 + 18x2 = 0

Solving for variable 'x'.

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

Add '128' to each side of the equation.
-128 + 128 + 18x2 = 0 + 128

Combine like terms: -128 + 128 = 0
0 + 18x2 = 0 + 128
18x2 = 0 + 128

Combine like terms: 0 + 128 = 128
18x2 = 128

Divide each side by '18'.
x2 = 7.111111111

Simplifying
x2 = 7.111111111

Take the square root of each side:
x = {-2.666666667, 2.666666667}