(3x^2-30)=0

Solution for (3x^2-30)=0 equation:

Simplifying
(3x2 + -30) = 0

Reorder the terms:
(-30 + 3x2) = 0

Remove parenthesis around (-30 + 3x2)
-30 + 3x2 = 0

Solving
-30 + 3x2 = 0

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 3x2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 3x2 = 0 + 30
3x2 = 0 + 30

Combine like terms: 0 + 30 = 30
3x2 = 30

Divide each side by '3'.
x2 = 10

Simplifying
x2 = 10

Take the square root of each side:
x = {-3.16227766, 3.16227766}