Answer
$2x^2y+13xy+13$
Work Step by Step
$$(4x^2y+8xy+11)+(-2x^2y+5xy+2)$$ $$=4x^2y+8xy+11-2x^2y+5xy+2$$ $$=(4x^2y-2x^2y)+(8xy+5xy)+(11+2)$$ $$=2x^2y+13xy+13$$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.4 - Page 61: 61
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