The answer is -0.083333333333333
Well, the answer would bee 1/10 for a simple reason: the 3 in 7.315 is in the tenth's spot while the 3 in 893.5 is in the ones. a one spot different that can be proven with logic.
Answer:
\frac{-2x^2+2}{x^4+2x^2+1}
2x^2+2
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x^4+2x^2+1