216r^2-150=

Solution for 216r^2-150= equation:

Simplifying
216r2 + -150 = 0

Reorder the terms:
-150 + 216r2 = 0

Solving
-150 + 216r2 = 0

Solving for variable 'r'.

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

Add '150' to each side of the equation.
-150 + 150 + 216r2 = 0 + 150

Combine like terms: -150 + 150 = 0
0 + 216r2 = 0 + 150
216r2 = 0 + 150

Combine like terms: 0 + 150 = 150
216r2 = 150

Divide each side by '216'.
r2 = 0.6944444444

Simplifying
r2 = 0.6944444444

Take the square root of each side:
r = {-0.833333333, 0.833333333}