Answer
minus
Work Step by Step
RECALL:
$(a+b)(a-b)=a^2-b^2.$
Thus, the missing term in the given statement is $\underline{\text{minus}}$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.4 - Polynomials - Concept and Vocabulary Check - Page 55: 11
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