hyork143 hyork143

22-10-2020
Mathematics

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Factor 9r2 – 36r – 45.

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jjacaruso jjacaruso

22-10-2020

Answer:

9(r - 5)(r - 1)

Step-by-step explanation:

9r^2 - 36r - 45

First, factor out 9

9(r^2 - 4r - 5)

Then you can factor what's inside the parentheses

9(r - 5)(r -1 )

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