Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.6 - Special Products - Practice - Page 383: 1



Work Step by Step

Step 1: Using the FOIL method, $(x+7)(x-5)=(x)(x)+(x)(-5)+(7)(x)+(7)(-5).$ Step 2: Simplifying, $(x)(x)+(x)(-5)+(7)(x)+(7)(-5)=x^{2}-5x+7x-35.$ Step 3: $x^{2}-5x+7x-35=x^{2}+2x-35$
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