8r^2-32=0

Solution for 8r^2-32=0 equation:

Simplifying
8r2 + -32 = 0

Reorder the terms:
-32 + 8r2 = 0

Solving
-32 + 8r2 = 0

Solving for variable 'r'.

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

Add '32' to each side of the equation.
-32 + 32 + 8r2 = 0 + 32

Combine like terms: -32 + 32 = 0
0 + 8r2 = 0 + 32
8r2 = 0 + 32

Combine like terms: 0 + 32 = 32
8r2 = 32

Divide each side by '8'.
r2 = 4

Simplifying
r2 = 4

Take the square root of each side:
r = {-2, 2}