-9x^2+36+144=0

Solution for -9x^2+36+144=0 equation:

Simplifying
-9x2 + 36 + 144 = 0

Reorder the terms:
36 + 144 + -9x2 = 0

Combine like terms: 36 + 144 = 180
180 + -9x2 = 0

Solving
180 + -9x2 = 0

Solving for variable 'x'.

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

Add '-180' to each side of the equation.
180 + -180 + -9x2 = 0 + -180

Combine like terms: 180 + -180 = 0
0 + -9x2 = 0 + -180
-9x2 = 0 + -180

Combine like terms: 0 + -180 = -180
-9x2 = -180

Divide each side by '-9'.
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}