Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 10 - Section 10.4 - Special Products - Exercise - Page 352: 1

Answer

$x^2-9$

Work Step by Step

RECALL: $(a+b)(a-b)=a^2-b^2$ Use the formula above to have: $(x+3)(x-3) \\= x^2 - 3^2 \\ = x^2-9$
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.