Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 3 - Exponents, Polynomials and Functions - 3.2 Combining Functions - 3.2 Exercises - Page 244: 44



Work Step by Step

$(x+4y)^{2}$ $=(x+4y)(x+4y)$ $=x(x+4y)+4y(x+4y)$ $=x^{2}+4xy+4xy+16y^{2}$ $=x^{2}+8xy+16y^{2}$
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.