SOLUTION: find the sum of the first two terms of the sequence whose general term is an=(n+2)(n-5).

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Question 452979: find the sum of the first two terms of the sequence whose general term is an=(n+2)(n-5).
Answer by Love math(28) About Me  (Show Source):
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=(n+2)(n-5)
n^2-5n+2n-10
n^2-3n-10