Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - Study Summary - Practice Exercises: 20



Work Step by Step

Substitute $-1$ to $x$ to obtain: $2-3x-x^2 \\=2-3(-1)-(-1)^2 \\=2-(-3)-1 \\=2+3-1 \\=5-1 \\=4$
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.