Answer
$(x^2+4)(x+2)(x-2)$
Work Step by Step
Use the formula $a^2-b^2=(a+b)(a-b)$. Then use it again for the second set of parentheses to factor completely.
$x^4-16$
$(x^2+4)(x^2-4)$
$(x^2+4)(x+2)(x-2)$
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 P - Summary, Review, and Test - Review Exercises - Page 91: 98
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.
