Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - Chapter Review - Page 538: 66



Work Step by Step

$9p^{2}-42p+49=$ ...write first and last terms as squares. $=(3p)^{2}-42p+(7)^{2}$ ...does middle term equal $2ab$? $-42p=-2\cdot(3p)\cdot(7)$ yes. $=(3p)^{2}-2\cdot(3p)\cdot(7)+(7)^{2}$ ...write as the square of a binomial. $=(3p-7)^{2}$
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.