-3r^2+192=0

Solution for -3r^2+192=0 equation:

Simplifying
-3r2 + 192 = 0

Reorder the terms:
192 + -3r2 = 0

Solving
192 + -3r2 = 0

Solving for variable 'r'.

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

Add '-192' to each side of the equation.
192 + -192 + -3r2 = 0 + -192

Combine like terms: 192 + -192 = 0
0 + -3r2 = 0 + -192
-3r2 = 0 + -192

Combine like terms: 0 + -192 = -192
-3r2 = -192

Divide each side by '-3'.
r2 = 64

Simplifying
r2 = 64

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