Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

by Sullivan III, Michael

Published by Pearson

ISBN 10: 0-32193-104-1

ISBN 13: 978-0-32193-104-7

Chapter 10 - Systems of Equations and Inequalities - Section 10.7 Systems of Inequalities - 10.7 Assess Your Understanding - Page 805: 62

Answer

$-1\pm2i$

Work Step by Step

$2(x+1)^2+8=0$, $(x+1)^2=-4$, $x+1=\pm2i$, thus $x=-1\pm2i$

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.