-3X^2+12+30=0

Solution for -3X^2+12+30=0 equation:

Simplifying
-3X2 + 12 + 30 = 0

Reorder the terms:
12 + 30 + -3X2 = 0

Combine like terms: 12 + 30 = 42
42 + -3X2 = 0

Solving
42 + -3X2 = 0

Solving for variable 'X'.

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

Add '-42' to each side of the equation.
42 + -42 + -3X2 = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -3X2 = 0 + -42
-3X2 = 0 + -42

Combine like terms: 0 + -42 = -42
-3X2 = -42

Divide each side by '-3'.
X2 = 14

Simplifying
X2 = 14

Take the square root of each side:
X = {-3.741657387, 3.741657387}