-4x^2+36=0

Solution for -4x^2+36=0 equation:

Simplifying
-4x2 + 36 = 0

Reorder the terms:
36 + -4x2 = 0

Solving
36 + -4x2 = 0

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + -4x2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -4x2 = 0 + -36
-4x2 = 0 + -36

Combine like terms: 0 + -36 = -36
-4x2 = -36

Divide each side by '-4'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}