Michael J. answered • 11/11/17
Tutor
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Mastery of Limits, Derivatives, and Integration Techniques
Use x=3 as a possible root.
3 | 3 -10 7 -12
9 -3 12
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3 -1 4 0
The factors are
(x - 3)(3x2 - x + 4)
Michael J.
And since (x - 3) is on the cubic, if I am interpreting your question correctly, then the expression simplifies to
1 / (3x2 - x + 4)
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11/12/17
Kristine V.
11/11/17