-3x^2+147=0

Solution for -3x^2+147=0 equation:

Simplifying
-3x2 + 147 = 0

Reorder the terms:
147 + -3x2 = 0

Solving
147 + -3x2 = 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 + -3x2 = 0 + -147

Combine like terms: 147 + -147 = 0
0 + -3x2 = 0 + -147
-3x2 = 0 + -147

Combine like terms: 0 + -147 = -147
-3x2 = -147

Divide each side by '-3'.
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}