Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Mixed Review Exercises: 7

Answer

$21p^{9}+7p^{8}+14p^{7}$

Work Step by Step

Using the laws of exponents and the Distributive Property, the given expression, $ 7p^5(3p^4+p^3+2p^2) ,$ simplifies to \begin{array}{l}\require{cancel} 7p^5(3p^4)+7p^5(p^3)+7p^5(2p^2) \\\\= 21p^{5+4}+7p^{5+3}+14p^{5+2} \\\\= 21p^{9}+7p^{8}+14p^{7} .\end{array}
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