3r^2-24=-3

Solution for 3r^2-24=-3 equation:

Simplifying
3r2 + -24 = -3

Reorder the terms:
-24 + 3r2 = -3

Solving
-24 + 3r2 = -3

Solving for variable 'r'.

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

Add '24' to each side of the equation.
-24 + 24 + 3r2 = -3 + 24

Combine like terms: -24 + 24 = 0
0 + 3r2 = -3 + 24
3r2 = -3 + 24

Combine like terms: -3 + 24 = 21
3r2 = 21

Divide each side by '3'.
r2 = 7

Simplifying
r2 = 7

Take the square root of each side:
r = {-2.645751311, 2.645751311}