Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Section 8.1 - Solving Quadratic Equations by Completing the Square - Exercise Set: 23


z=-7±$\sqrt 5$

Work Step by Step

Original Equation (z+7)²=5 Take the square root of both sides z+7=±$\sqrt 5$ Subtract 7 from both sides z=-7±$\sqrt 5$
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.