3x^2-99=0

Solution for 3x^2-99=0 equation:

Simplifying
3x2 + -99 = 0

Reorder the terms:
-99 + 3x2 = 0

Solving
-99 + 3x2 = 0

Solving for variable 'x'.

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

Add '99' to each side of the equation.
-99 + 99 + 3x2 = 0 + 99

Combine like terms: -99 + 99 = 0
0 + 3x2 = 0 + 99
3x2 = 0 + 99

Combine like terms: 0 + 99 = 99
3x2 = 99

Divide each side by '3'.
x2 = 33

Simplifying
x2 = 33

Take the square root of each side:
x = {-5.744562647, 5.744562647}