8r^2-288=0

Solution for 8r^2-288=0 equation:

Simplifying
8r2 + -288 = 0

Reorder the terms:
-288 + 8r2 = 0

Solving
-288 + 8r2 = 0

Solving for variable 'r'.

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

Add '288' to each side of the equation.
-288 + 288 + 8r2 = 0 + 288

Combine like terms: -288 + 288 = 0
0 + 8r2 = 0 + 288
8r2 = 0 + 288

Combine like terms: 0 + 288 = 288
8r2 = 288

Divide each side by '8'.
r2 = 36

Simplifying
r2 = 36

Take the square root of each side:
r = {-6, 6}