Algebra: A Combined Approach (4th Edition)

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

Chapter 6 - Review - Page 474: 54


The solutions are -11 and 7.

Work Step by Step

(x-7)(x+11)=0 (x+11)=0 (x-7)=0 x+11-11=0-11 or x-7+7=0+7 x=-11 or x=7 The solutions are -11 and 7. Check Let x=-11 (x-7)(x+11)=0 (-11-7)(-11+11)=0 -18*0=0 0=0 Let x=7 (x-7)(x+11)=0 (7-7)(7+11)=0 0*18=0 0=0
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