Answer
9$a^{2}$ + 6a + 1
Work Step by Step
$(3a+ 1 )^{2}$ binomial squared
$(3a)^{2}$ + 2 ( 3a ) (1) + $1^{2}$
9$a^{2}$ + 6a + 1
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.6 - Special Products - Exercise Set - Page 388: 65
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