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 - Study Summary - Practice Exercises - Page 296: 21



Work Step by Step

$(9x^2-3x)+(4x-x^2) \\=9x^2-3x+4x-x^2$ Combine like terms to obtain: $=(9x^2-x^2)+(-3x+4x) \\=(9-1)x^2+(-3+4)x \\=8x^2+x$
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