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 457: 25


The solutions are 0 and -20.

Work Step by Step

$x^{2}$+20x=0 x(x+20)=0 x=0 or x+20=0 x=0 or x+20-20=0-20 x=0 or x=-20 The solutions are 0 and -20. Check Let x=0 $x^{2}$+20x=0 $0^{2}$ +20*0=0 0=0 Let x=-20 $x^{2}$+20x=0 $(-20)^{2}$ +20(-20)=0 400-400=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.