Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set: 57

Answer

$2y^{4}-5y^{2}+x^{2}+1$

Work Step by Step

We are given the expression $(5y^{4}-7y^{2}+x^{2}-3)+(-3y^{4}+2y^{2}+4)$. We can combine like terms to simplify. $(5y^{4}-3y^{4})+(-7y^{2}+2y^{2})+x^{2}+(-3+4)=2y^{4}-5y^{2}+x^{2}+1$
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