Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises - Page 19: 10



Work Step by Step

RECALL: The distributive property states that for any real numbers $a, , $ and $c$, $a(b-c) = ab-bc$ Use the distributive property to have: $-7(x-4y) \\=-7(x) -(-7)4y) \\=-7x-(-28y) \\=-7x+28y$
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