Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.3 - Introduction to Polynomials - Practice - Page 362: 14

Answer

$3x^{2}y^{2}+6x^{2}+y^{2}$

Work Step by Step

Step 1: $7x^{2}y^{2}+2y^{2}-4y^{2}x^{2}+x^{2}-y^{2}+5x^{2}$ Step 2: $7x^{2}y^{2}-4y^{2}x^{2}+x^{2}+5x^{2}+2y^{2}-y^{2}$ Step 3: $7x^{2}y^{2}-4x^{2}y^{2}+x^{2}+5x^{2}+2y^{2}-y^{2}$ Step 4: $3x^{2}y^{2}+6x^{2}+y^{2}$
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