r^2-6+9=0

Solution for r^2-6+9=0 equation:

Simplifying
r2 + -6 + 9 = 0

Reorder the terms:
-6 + 9 + r2 = 0

Combine like terms: -6 + 9 = 3
3 + r2 = 0

Solving
3 + r2 = 0

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + r2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + r2 = 0 + -3
r2 = 0 + -3

Combine like terms: 0 + -3 = -3
r2 = -3

Simplifying
r2 = -3

Reorder the terms:
3 + r2 = -3 + 3

Combine like terms: -3 + 3 = 0
3 + r2 = 0

The solution to this equation could not be determined.