Answer
Yes.
Work Step by Step
Step 1. Use the given coefficients to set up a division as shown in the figure.
Step 2. Perform a synthetic division and as the remainder is zero, $-1$ is a zero of the function.
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.