=3x^2-42-150

Solution for =3x^2-42-150 equation:

Simplifying
0 = 3x2 + -42 + -150

Reorder the terms:
0 = -42 + -150 + 3x2

Combine like terms: -42 + -150 = -192
0 = -192 + 3x2

Solving
0 = -192 + 3x2

Solving for variable 'x'.

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

Add '-3x2' to each side of the equation.
0 + -3x2 = -192 + 3x2 + -3x2
Remove the zero:
-3x2 = -192 + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-3x2 = -192 + 0
-3x2 = -192

Divide each side by '-3'.
x2 = 64

Simplifying
x2 = 64

Take the square root of each side:
x = {-8, 8}