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 - Mid-Chapter Check Point - Page 378: 11



Work Step by Step

(9a-10b)(2a+b) 9a(2a)+9a(b)-10b(2a)-10b(b) 18a$^2$+9ab-20ab-10b$^2$ 18a$^2$-11ab-10b$^2$
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