128r^2-2=0

Solution for 128r^2-2=0 equation:

Simplifying
128r2 + -2 = 0

Reorder the terms:
-2 + 128r2 = 0

Solving
-2 + 128r2 = 0

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 128r2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 128r2 = 0 + 2
128r2 = 0 + 2

Combine like terms: 0 + 2 = 2
128r2 = 2

Divide each side by '128'.
r2 = 0.015625

Simplifying
r2 = 0.015625

Take the square root of each side:
r = {-0.125, 0.125}