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28 votes
28 votes
N^2+7n+15=5 factoring

User Klochner
by
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1 Answer

28 votes
28 votes

let's rewrite:


n^2+7n+15=5

as:


n^2+7n+10=0

The factors of 10 that sum to 7 are 2 and 5, therefore:


n^2+7n+10=(n+2)(n+5)

User Augre
by
2.5k points
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