Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 8 - Radical Functions - 8.5 Complex Numbers - 8.5 Exercises - Page 663: 72



Work Step by Step

Step 1: $2x^{2}-18=0$ Step 2: $2x^{2}=18$ Step 3: $x^{2}=9$ Step 4: Using the square root property, $x=\pm\sqrt {9}$. Step 5: $x=\pm3$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.