5r^2-36=32

Solution for 5r^2-36=32 equation:

Simplifying
5r2 + -36 = 32

Reorder the terms:
-36 + 5r2 = 32

Solving
-36 + 5r2 = 32

Solving for variable 'r'.

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

Add '36' to each side of the equation.
-36 + 36 + 5r2 = 32 + 36

Combine like terms: -36 + 36 = 0
0 + 5r2 = 32 + 36
5r2 = 32 + 36

Combine like terms: 32 + 36 = 68
5r2 = 68

Divide each side by '5'.
r2 = 13.6

Simplifying
r2 = 13.6

Take the square root of each side:
r = {-3.687817783, 3.687817783}