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 R - Elementary Algebra Review - R.4 Polynomials - R.4 Exercise Set: 46

Answer

$-6x^4+7x^2+4x-23$

Work Step by Step

Removing the grouping symbols and then combining like terms, the given expression, $ (-6x^4+3x^2-16)+(4x^2+4x-7) ,$ simplifies to \begin{array}{l}\require{cancel} -6x^4+3x^2-16+4x^2+4x-7 \\\\= -6x^4+(3x^2+4x^2)+4x+(-16-7) \\\\= -6x^4+7x^2+4x-23 .\end{array}
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