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 - Test: Chapter 4: 38

Answer

$-4x^3y-x^2y^2+xy^3-y^3+19$

Work Step by Step

Combining like terms, the given expression, $ 2x^3y-y^3+xy^3+8-6x^3y-x^2y^2+11 ,$ evaluates to \begin{array}{l}\require{cancel} (2x^3y-6x^3y)-x^2y^2+xy^3-y^3+(8+11) \\\\= -4x^3y-x^2y^2+xy^3-y^3+19 .\end{array}
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