Evaluate
4x^{4}-5x^{3}-\frac{27x}{4}-1
Factor
\frac{16x^{4}-20x^{3}-27x-4}{4}
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4x^{4}-5x^{3}-\frac{27}{4}x-1
Combine -7x and \frac{1}{4}x to get -\frac{27}{4}x.
\frac{16x^{4}-20x^{3}-28x+x-4}{4}
Factor out \frac{1}{4}. Polynomial 16x^{4}-20x^{3}-27x-4 is not factored since it does not have any rational roots.
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