Answer
A=0 or B=0
Work Step by Step
If the product of two factors is zero, then one (or both) of the factors must have a value of zero.
If AB = 0, then A = 0 or B = 0.
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 6 - Algebra: Equations and Inequalities - 6.5 Quadratic Equations - Concept and Vocabulary Check - Page 399: 11
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