Answer
See below
Work Step by Step
$$f(x)=3x^3-3x^2+75x-75=0\\3x^2(x-1)+75(x-1)=0\\(x-1)(3x^2+75)=0\\(x-1)(x^3+25)=0$$
Then we have: $x-1=0 \rightarrow x=1$ is the only solution of this equation.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 10 Counting Methods and Probability - 10.6 Construct and Interpret Binomial Distributions - 10.6 Exercises - Mixed Review - Page 730: 63
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