Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Section 6.6 - Solving Quadratic Equations by Factoring - Exercise Set - Page 458: 59


The solution is -7.

Work Step by Step

$x^{2}$+14$x^{}$+49=0 $x^{2}$+7$x^{}$+7x+49=0 (x+7)+7(x+7)=0 (x+7)(x+7)=0 x+7=0 or x+7=0 x=-7 or x=-7 The solution is -7. Check Let x=-7 $x^{2}$+14$x^{}$+49=0 $(-7)^{2}$+14(-7)+49=0 49-98+49=0 0=0
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.