Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 5 - Review Exercises - Page 415: 47


$$2x^{3}y^{2} + x^{2}y - 6x^{2} - 4$$

Work Step by Step

To get rid of the parentheses, we need to look at the signs inside the parentheses in combination with the operation outside the parentheses: $$13x^{3}y^{2} - 5x^{2}y - 9x^{2} - 11x^{3}y^{2} + 6x^{2}y + 3x^{2} - 4$$ We combine like terms to simplify: $$2x^{3}y^{2} + x^{2}y - 6x^{2} - 4$$
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