Jan K. answered 09/16/14
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My hch here is that they want you to combine like terms.
3(2p + 1) + 9p + 2 =
First distribute the first term
6p + 3 + 9p + 2 =
Now combine like terms
15p + 5 =
Now, if desired, you can factor out like terms:
5(3p + 1)