Answer
$4,\pm5i$
Work Step by Step
Step 1. For $f(x)=x^3-4x^2+25x-100$, use synthetic division to find zero(s) $x=4$ as shown in the figure.
Step 2. Use the quotient to find other zero(s) $x^2+25=0$ and $x=\pm5i$
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
Chapter 3 - Polynomial and Rational Functions - Chapter Test - Page 270: 3
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