Answer
$12xy^2 - 12y^2$
Work Step by Step
They have no like terms, so it is impossible to add
$12xy^2 - 12y^2$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Section 5.1 - Introduction to Polynomials and Polynomial Functions - Concept and Vocabulary Check - Page 323: 23
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