Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise: 39

Answer

$5x^3+3x^2y-5y^3+y$

Work Step by Step

To combine like terms, add the coefficients. $2x^3+4x^2y-4y^3+3x^3-x^2y+y-y^3=(2+3)x^3+(4+(-1))x^2y+((-4)+(-1))y^3+y=5x^3+3x^2y-5y^3+y$
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