r^2=-9

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Solution for r^2=-9 equation: 


Simplifying
r2 = -9

Solving
r2 = -9

Solving for variable 'r'.

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

Simplifying
r2 = -9

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

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

The solution to this equation could not be determined.

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