9x^2-72+144=0

Solution for 9x^2-72+144=0 equation:

Simplifying
9x2 + -72 + 144 = 0

Reorder the terms:
-72 + 144 + 9x2 = 0

Combine like terms: -72 + 144 = 72
72 + 9x2 = 0

Solving
72 + 9x2 = 0

Solving for variable 'x'.

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

Add '-72' to each side of the equation.
72 + -72 + 9x2 = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 9x2 = 0 + -72
9x2 = 0 + -72

Combine like terms: 0 + -72 = -72
9x2 = -72

Divide each side by '9'.
x2 = -8

Simplifying
x2 = -8

Reorder the terms:
8 + x2 = -8 + 8

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

The solution to this equation could not be determined.