3x^2-12-36=0

Solution for 3x^2-12-36=0 equation:

Simplifying
3x2 + -12 + -36 = 0

Reorder the terms:
-12 + -36 + 3x2 = 0

Combine like terms: -12 + -36 = -48
-48 + 3x2 = 0

Solving
-48 + 3x2 = 0

Solving for variable 'x'.

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

Add '48' to each side of the equation.
-48 + 48 + 3x2 = 0 + 48

Combine like terms: -48 + 48 = 0
0 + 3x2 = 0 + 48
3x2 = 0 + 48

Combine like terms: 0 + 48 = 48
3x2 = 48

Divide each side by '3'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}