Answer
$-10x^{2}y-8y+4$
Work Step by Step
We are given the expression $(-3x^{2}y+4)+(-7x^{2}y-8y)$. We can combine like terms to simplify.
$(-3x^{2}y-7x^{2}y)-8y+4=-10x^{2}y-8y+4$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set - Page 280: 74
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