SOLUTION: Simplify the expression (n + 5)(n + 2)

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Question 376533: Simplify the expression (n + 5)(n + 2)
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

Simplifying the expression 

(n + 5)(n + 2)

n^2 + 7n + 10 Note:SUM of the inner product(5n) and the outer product(2n) = 7n