108r^2-147=

Solution for 108r^2-147= equation:

Simplifying
108r2 + -147 = 0

Reorder the terms:
-147 + 108r2 = 0

Solving
-147 + 108r2 = 0

Solving for variable 'r'.

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

Add '147' to each side of the equation.
-147 + 147 + 108r2 = 0 + 147

Combine like terms: -147 + 147 = 0
0 + 108r2 = 0 + 147
108r2 = 0 + 147

Combine like terms: 0 + 147 = 147
108r2 = 147

Divide each side by '108'.
r2 = 1.361111111

Simplifying
r2 = 1.361111111

Take the square root of each side:
r = {-1.166666667, 1.166666667}