SOLUTION: How do I factor this? 81r-25r^3

SOLUTION: How do I factor this? 81r-25r^3

Algebra.Com

Question 464184: How do I factor this?
81r-25r^3
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Factor out an r, then it's a difference of 2 squares.
That's what I would do, anyway.

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