Introductory Algebra for College Students (7th Edition)

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

Chapter 1 - Review Exercises: 101

Answer

28a-20

Work Step by Step

4[7(a-1)+2] First use the distributive property on the parentheses. 4[7(a)-7(1)+2] Then multiply inside the brackets. 4[7a-7+2] Then add inside the brackets to combine the constants] 4[7a-5] Then use the distributive property on the brackets. 4(7a)-4(5) Then multiply. 28a-20
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