Answer
We are reminded that the square root of a positive number, multiplied by the square root of that same number, yields in that positive number.
Work Step by Step
Example: $\sqrt {49} * \sqrt {49} = 49$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.4 - Adding, Subtracting, and Multiplying Radical Expressions - Vocabulary, Readiness & Video Check - Page 438: 12
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