Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Review: 78

Answer

$x^6+4xy+2y^2$

Work Step by Step

$(8x^6 -5xy-10y^2)-(7x^6 -9xy-12y^2)$ $=8x^6 -5xy-10y^2-7x^6 +9xy+12y^2$ $=8x^6-7x^6 -5xy+9xy-10y^2 +12y^2$ $=x^6+4xy+2y^2$
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