Answer
$= (x +1) (x -1) (x + 3)$
Work Step by Step
Factor: $x^{3} + 3x^{2} - x - 3 $
Factorise by grouping
$ (x^{2}) (x + 3) - 1 ( x + 3) $
$= (x^{2} -1) (x +3)$
$= (x +1) (x -1) (x + 3)$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 3 - Polynomial and Rational Functions - Exercise Set 3.1 - Page 347: 102
Update this answer!
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.
