Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - Mid-Chapter Review - Mixed Review - Page 263: 18



Work Step by Step

By combining like terms, the given expression, $ (t^9+3t^6-8t^2)+(5t^7-3t^6+8t^2) $, simplifies to \begin{array}{l}\require{cancel} t^9+3t^6-8t^2+5t^7-3t^6+8t^2 \\\\= t^9+5t^7+(3t^6-3t^6)+(-8t^2+8t^2) \\\\= t^9+5t^7+0t^6+0t^2 \\\\= t^9+5t^7 .\end{array}
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