50r^2-18=

Solution for 50r^2-18= equation:

Simplifying
50r2 + -18 = 0

Reorder the terms:
-18 + 50r2 = 0

Solving
-18 + 50r2 = 0

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + 50r2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 50r2 = 0 + 18
50r2 = 0 + 18

Combine like terms: 0 + 18 = 18
50r2 = 18

Divide each side by '50'.
r2 = 0.36

Simplifying
r2 = 0.36

Take the square root of each side:
r = {-0.6, 0.6}