Evaluate
-\frac{n^{4}}{3}+\frac{2n^{3}}{3}-\frac{5n^{2}}{3}-1
Factor
\frac{-n^{4}+2n^{3}-5n^{2}-3}{3}
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\frac{2}{3}n^{3}-\frac{1}{3}n^{4}-1-\frac{5}{3}n^{2}
Combine \frac{4}{3}n^{3} and -\frac{2}{3}n^{3} to get \frac{2}{3}n^{3}.
\frac{4n^{3}-n^{4}-3-2n^{3}-5n^{2}}{3}
Factor out \frac{1}{3}. Polynomial -n^{4}+2n^{3}-5n^{2}-3 is not factored since it does not have any rational roots.
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