Answer
$9y^{2}+30y+25$
Work Step by Step
$(3y+5)^{2}=(3y+5)(3y+5)=3y(3y+5)+5(3y+5)=(3y)(3y)+(3y)(5)+(5)(3y)+(5)(5)=9y^{2}+15y+15y+25=9y^{2}+30y+25$
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 5.5 - Multiplying Polynomials - Exercise Set - Page 379: 67
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