8x^2-81+171=0

Solution for 8x^2-81+171=0 equation:

Simplifying
8x2 + -81 + 171 = 0

Reorder the terms:
-81 + 171 + 8x2 = 0

Combine like terms: -81 + 171 = 90
90 + 8x2 = 0

Solving
90 + 8x2 = 0

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 8x2 = 0 + -90

Combine like terms: 90 + -90 = 0
0 + 8x2 = 0 + -90
8x2 = 0 + -90

Combine like terms: 0 + -90 = -90
8x2 = -90

Divide each side by '8'.
x2 = -11.25

Simplifying
x2 = -11.25

Reorder the terms:
11.25 + x2 = -11.25 + 11.25

Combine like terms: -11.25 + 11.25 = 0.00
11.25 + x2 = 0.00

The solution to this equation could not be determined.