-12x^2+147=0

Solution for -12x^2+147=0 equation:

Simplifying
-12x2 + 147 = 0

Reorder the terms:
147 + -12x2 = 0

Solving
147 + -12x2 = 0

Solving for variable 'x'.

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

Add '-147' to each side of the equation.
147 + -147 + -12x2 = 0 + -147

Combine like terms: 147 + -147 = 0
0 + -12x2 = 0 + -147
-12x2 = 0 + -147

Combine like terms: 0 + -147 = -147
-12x2 = -147

Divide each side by '-12'.
x2 = 12.25

Simplifying
x2 = 12.25

Take the square root of each side:
x = {-3.5, 3.5}