r^2+1=0

Solution for r^2+1=0 equation:

Simplifying
r2 + 1 = 0

Reorder the terms:
1 + r2 = 0

Solving
1 + r2 = 0

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + r2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + r2 = 0 + -1
r2 = 0 + -1

Combine like terms: 0 + -1 = -1
r2 = -1

Simplifying
r2 = -1

Reorder the terms:
1 + r2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + r2 = 0

The solution to this equation could not be determined.