Answer
$11r^2s-3sr^2+16rs+7r^2s^2-8$
Work Step by Step
$(11r^2s+16rs-3-2r^2s^2)-(3sr^2 +5-9r^2s^2)$
$=11r^2s+16rs-3-2r^2s^2-3sr^2-5+9r^2s^2$
$=11r^2s-3sr^2+16rs+7r^2s^2-8$
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 - Section 5.4 - Adding and Subtracting Polynomials - Exercise Set - Page 373: 63
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