Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 5 - Polynomials and Polynomial Functions - 5-4 Dividing Polynomials - Practice and Problem-Solving Exercises - Page 310: 85

Answer

$23 - 11i$

Work Step by Step

Use the distributive property to obtain: $=4(5+i)-3i(5+i)\\ =20+4i-15i-3i^2$ Combine like terms: $=20 - 11i - 3i^2$ Since $i^2=-1$, replace $i^2$ with $-1$: $=20 - 11i - 3(-1)\\ =20-11i+3\\ =(20 + 3) - 11i\\ =23-11i$
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.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions