r^2+128=0

Solution for r^2+128=0 equation:

Simplifying
r2 + 128 = 0

Reorder the terms:
128 + r2 = 0

Solving
128 + r2 = 0

Solving for variable 'r'.

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

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

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

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

Simplifying
r2 = -128

Reorder the terms:
128 + r2 = -128 + 128

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

The solution to this equation could not be determined.