Answer
$x^6+4xy+2y^2$
Work Step by Step
$(8x^6 -5xy-10y^2)-(7x^6 -9xy-12y^2)$
$=8x^6 -5xy-10y^2-7x^6 +9xy+12y^2$
$=8x^6-7x^6 -5xy+9xy-10y^2 +12y^2$
$=x^6+4xy+2y^2$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Review - Page 405: 78
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