Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 10 - Section 10.2 - Finding the Product of Two Binomials Mentally - Exercise - Page 347: 2

Answer

$2x^2+13x+21$

Work Step by Step

FOIL means that you combine the first term from each expression, the inside terms, the outside terms and the last terms. Thus, we distribute with the FOIL method as follows: $$ (x + 3)(2x+ 7)=2x^2+(6x+7x)+21=2x^2+13x+21 .$$
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