Factor
\frac{-x^{4}+4x^{2}-16}{4}
Evaluate
-\frac{x^{4}}{4}+x^{2}-4
Graph
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\frac{-x^{4}+4x^{2}-16}{4}
Factor out \frac{1}{4}. Polynomial -x^{4}+4x^{2}-16 is not factored since it does not have any rational roots.
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