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algol [13]
2 years ago
14

Someone help me please?

Mathematics
2 answers:
AlekseyPX2 years ago
6 0
(r-3)^2 I think this is correct because r^2 means r*r and you are subtracting 9 so I just multiplyed 3*3.
yanalaym [24]2 years ago
4 0
Is a (r + 3) (r - 3)
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