College Algebra (6th Edition)

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: 61

Answer

$2x^2y+13xy+13$

Work Step by Step

$$(4x^2y+8xy+11)+(-2x^2y+5xy+2)$$ $$=4x^2y+8xy+11-2x^2y+5xy+2$$ $$=(4x^2y-2x^2y)+(8xy+5xy)+(11+2)$$ $$=2x^2y+13xy+13$$
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