Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.6 - Integrated Review - Exponents and Operations on Polynomials - Page 391: 22

Answer

$8.4x^2-6.8x-4.2$

Work Step by Step

$7.8x^2-6.8x-3.3+0.6x^2-0.9=8.4x^2-6.8x-4.2$
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