Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Section 4.4 - Multiplying Polynomials - 4.4 Exercises: 67

Answer

$0.04x^2-0.56y+1.96y^2$

Work Step by Step

Using $(a+b)^2=a^2+2ab+b^2$ or the square of a binomial, the given expression, $ (0.2x-1.4y)^2 ,$ is equivalent to \begin{array}{l}\require{cancel} (0.2x)^2+2(0.2x)(-1.4y)+(-1.4y)^2 \\\\= 0.04x^2-0.56y+1.96y^2 .\end{array}
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.