64r^2-25=0

Solution for 64r^2-25=0 equation:

Simplifying
64r2 + -25 = 0

Reorder the terms:
-25 + 64r2 = 0

Solving
-25 + 64r2 = 0

Solving for variable 'r'.

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

Add '25' to each side of the equation.
-25 + 25 + 64r2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 64r2 = 0 + 25
64r2 = 0 + 25

Combine like terms: 0 + 25 = 25
64r2 = 25

Divide each side by '64'.
r2 = 0.390625

Simplifying
r2 = 0.390625

Take the square root of each side:
r = {-0.625, 0.625}