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 - 3.5 Special Factoring Techniques - 3.5 Exercises: 23

Answer

prime; the sum of the two squares does not factor.

Work Step by Step

Kaitlin tried to apply the formula $a^2-b^2=(a+b)(a-b)$, but she used $a^2+b^2$ instead. Here, the sum of the two squares does not factor. Therefore, the binomial is prime. $16a^2+81$ prime; the sum of the two squares does not factor.
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.