8r^2-50=

Solution for 8r^2-50= equation:

Simplifying
8r2 + -50 = 0

Reorder the terms:
-50 + 8r2 = 0

Solving
-50 + 8r2 = 0

Solving for variable 'r'.

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

Add '50' to each side of the equation.
-50 + 50 + 8r2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + 8r2 = 0 + 50
8r2 = 0 + 50

Combine like terms: 0 + 50 = 50
8r2 = 50

Divide each side by '8'.
r2 = 6.25

Simplifying
r2 = 6.25

Take the square root of each side:
r = {-2.5, 2.5}