College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.4: 19



Work Step by Step

$$(x+7)(x+3)$$ $$=(x\times x)+(x\times 3)+(7\times x)+(7\times 3)$$ $$=x^2+3x+7x+21$$ $$=x^2+10x+21$$
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.