Answer
factor.
Work Step by Step
Use synthetic division as shown to get remainder$=0$, thus it is a factor.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.5 Synthetic Division - A.5 Assess Your Understanding - Page A44: 21
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