Answer
$5y^{3}+6y^{2}+15y+18$
Work Step by Step
Using the FOIL method, $(y^{2}+3)(5y+6)=(y^{2})(5y)+(y^{2})(6)+(3)(5y)+(3)(6)=5y^{2+1}+6y^{2}+15y+18=5y^{3}+6y^{2}+15y+18$.
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 387: 12
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