Answer
3, 1 , -1
Work Step by Step
Equation : $x^{3}-3x^{2}-x+3=0$
$x^{2}(x-3)-(x-3)=(x^2-1)(x-3)=(x-1)(x+1)(x-3)=0$
Hence, the possible solutions are -1, 1, 3
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - 1.6 - Other Types of Equations - 1.6 Exercises - Page 128: 13
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