3x^2-36=0

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

Simplifying
3x2 + -36 = 0

Reorder the terms:
-36 + 3x2 = 0

Solving
-36 + 3x2 = 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 + 3x2 = 0 + 36

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

Combine like terms: 0 + 36 = 36
3x2 = 36

Divide each side by '3'.
x2 = 12

Simplifying
x2 = 12

Take the square root of each side:
x = {-3.464101615, 3.464101615}