Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 10 - Section 10.2 - Integrated Review - Operations on Polynomials - Page 712: 7



Work Step by Step

$(4.5x^{2}+8.1x)+(2.8x^{2}-12.3x-5.3)$ $=4.5x^{2}+8.1x+2.8x^{2}-12.3x-5.3$ $=4.5x^{2}+2.8x^{2}+8.1x-12.3x-5.3$ $=7.3x^{2}-4.2x-5.3$
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