Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.6 Special Products - 4.6 Exercise Set - Page 277: 105


Blair uses the distributive property

Work Step by Step

Blair uses the distributive property to find: $$ 400+20-20-1 \\ 400-1\\ 399$$ Here, we see that the Math becomes much easier for Blair to do in his head.
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