Answer
See below.
Work Step by Step
$k^2+3k+2=(k^2+k)+((k^2+3k+2)-(k^2+k)=(k^2+k)+(2k+2)=k^2+k+2(k+1)$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 8 - Sequences, Induction, and Probability - Concept and Vocabulary Check - Page 750: 5
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