Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - 10.5 Expressions Containing Several Radical Terms - 10.5 Exercise Set - Page 662: 132


$$ (\sqrt{y}-\sqrt{7})(\sqrt{y}+\sqrt{7})$$

Work Step by Step

To write this as a product of two radical expressions, we look for expressions that multiply by each other to end up with this expression. Doing this, we find: $$ (\sqrt{y}-\sqrt{7})(\sqrt{y}+\sqrt{7})$$
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