Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Review - Page 406: 99



Work Step by Step

$(x+7)^3$ $(x+7)(x+7)(x+7)$ $[(x+7)(x+7)](x+7)$ $[x(x+7)+7(x+7)](x+7)$ $[x^2+7x+7x+49](x+7)$ $(x^2+14x+49)(x+7)$ $x(x^2+14x+49)+7(x^2+14x+49)$ $(x^3+14x^2+49x)+(7x^2+98x+343)$ $x^3+21x^2+147x+343$
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.