-9x^2+3600=0

Solution for -9x^2+3600=0 equation:

Simplifying
-9x2 + 3600 = 0

Reorder the terms:
3600 + -9x2 = 0

Solving
3600 + -9x2 = 0

Solving for variable 'x'.

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

Add '-3600' to each side of the equation.
3600 + -3600 + -9x2 = 0 + -3600

Combine like terms: 3600 + -3600 = 0
0 + -9x2 = 0 + -3600
-9x2 = 0 + -3600

Combine like terms: 0 + -3600 = -3600
-9x2 = -3600

Divide each side by '-9'.
x2 = 400

Simplifying
x2 = 400

Take the square root of each side:
x = {-20, 20}