121r^2-64+2=

Solution for 121r^2-64+2= equation:

Simplifying
121r2 + -64 + 2 = 0

Reorder the terms:
-64 + 2 + 121r2 = 0

Combine like terms: -64 + 2 = -62
-62 + 121r2 = 0

Solving
-62 + 121r2 = 0

Solving for variable 'r'.

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

Add '62' to each side of the equation.
-62 + 62 + 121r2 = 0 + 62

Combine like terms: -62 + 62 = 0
0 + 121r2 = 0 + 62
121r2 = 0 + 62

Combine like terms: 0 + 62 = 62
121r2 = 62

Divide each side by '121'.
r2 = 0.5123966942

Simplifying
r2 = 0.5123966942

Take the square root of each side:
r = {-0.715818898, 0.715818898}