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 - 8-4 Multiplying Soecial Cases - Practice and Problem-Solving Exercises - Page 509: 64



Work Step by Step

$(x+9)(5x+8)=$ $...$distribute the second factor, $(5x+8)$. $=x(5x+8)+9(5x+8)\qquad$...distribute $x$. $=5x^{2}+8x+9(5x+8)\qquad$...distribute $9$. $=5x^{2}+8x+45x+72\qquad$...gather like terms. =$5x^{2}+53x+72$
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.