4r^2-32-132=0

Solution for 4r^2-32-132=0 equation:

Simplifying
4r2 + -32 + -132 = 0

Reorder the terms:
-32 + -132 + 4r2 = 0

Combine like terms: -32 + -132 = -164
-164 + 4r2 = 0

Solving
-164 + 4r2 = 0

Solving for variable 'r'.

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

Add '164' to each side of the equation.
-164 + 164 + 4r2 = 0 + 164

Combine like terms: -164 + 164 = 0
0 + 4r2 = 0 + 164
4r2 = 0 + 164

Combine like terms: 0 + 164 = 164
4r2 = 164

Divide each side by '4'.
r2 = 41

Simplifying
r2 = 41

Take the square root of each side:
r = {-6.403124237, 6.403124237}