Answer
The statement makes sense because the second problem involves using the FOIL method, while the first one involves squaring each factor inside the parentheses, so distribution works much differently for both.
Work Step by Step
See answer.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.4 - Page 62: 103
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