8r^2-24=0

Solution for 8r^2-24=0 equation:

Simplifying
8r2 + -24 = 0

Reorder the terms:
-24 + 8r2 = 0

Solving
-24 + 8r2 = 0

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 + 8r2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 8r2 = 0 + 24
8r2 = 0 + 24

Combine like terms: 0 + 24 = 24
8r2 = 24

Divide each side by '8'.
r2 = 3

Simplifying
r2 = 3

Take the square root of each side:
r = {-1.732050808, 1.732050808}