Evaluate
\frac{8x^{4}+5x^{2}-4x-1}{2x^{2}+x-1}
Expand
\frac{8x^{4}+5x^{2}-4x-1}{2x^{2}+x-1}
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\frac{8x^{4}+5x^{2}-4x-1}{2x^{2}+x-1}
Combine 10x^{2} and -5x^{2} to get 5x^{2}.
\frac{8x^{4}+5x^{2}-4x-1}{2x^{2}+x-1}
Combine 10x^{2} and -5x^{2} to get 5x^{2}.
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