#### Answer

Expression is undefined when
x=7 or x=-2

#### Work Step by Step

Expression is undefined when
$x^{2}$-5x-14=0
$x^{2}$+2x-7x-14=0
x(x+2)-7(x+2)=0
(x-7)(x+2)=0
x-7=0 or x+2=0
x=7 or x=-2

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

Expression is undefined when
x=7 or x=-2

You can help us out by revising, improving and updating this answer.

Update this answerAfter 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.