Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 10 - Radical Expressions and Equations - 10-3 Operations with Radial Expressions - Practice and Problem-Solving Exercises - Page 616: 23



Work Step by Step

$3\sqrt7(1-\sqrt7)\longrightarrow$ use the distributive property =$3\sqrt7-3(\sqrt7)(\sqrt7)\longrightarrow$ simplify =$3\sqrt7-3(7)\longrightarrow$ multiply =$3\sqrt7-21$
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