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: 17



Work Step by Step

By combining like terms, the given expression, $ (4x^2-x-7)-(10x^2-3x+5) $, simplifies to \begin{array}{l}\require{cancel} 4x^2-x-7-10x^2+3x-5 \\\\= (4x^2-10x^2)+(-x+3x)+(-7-5) \\\\= -6x^2+2x-12 .\end{array}
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