Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Section 7.3 - Simplifying Radical Expressions - Exercise Set: 104

Answer

$-72y^{4}$

Work Step by Step

$(9y^{2})(-8y^{2})=(9\times-8)\times(y^{2}\times y^{2})=-72\times y^{2+2}=-72y^{4}$
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