3(X^2-18)=0

Solution for 3(X^2-18)=0 equation:

Simplifying
3(X2 + -18) = 0

Reorder the terms:
3(-18 + X2) = 0
(-18 * 3 + X2 * 3) = 0
(-54 + 3X2) = 0

Solving
-54 + 3X2 = 0

Solving for variable 'X'.

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

Add '54' to each side of the equation.
-54 + 54 + 3X2 = 0 + 54

Combine like terms: -54 + 54 = 0
0 + 3X2 = 0 + 54
3X2 = 0 + 54

Combine like terms: 0 + 54 = 54
3X2 = 54

Divide each side by '3'.
X2 = 18

Simplifying
X2 = 18

Take the square root of each side:
X = {-4.242640687, 4.242640687}