Answer
$7y^{2}+3$
Work Step by Step
$5y^{2}-1+2(y^{2}+2)$
Using Distributive property,
$5y^{2}-1+2y^{2}+4$
Combining like terms,
$7y^{2}+3$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 4 - Cumulative Review - Page 252: 10a
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