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(4 x^6+12 x^5-19 x^4-106 x^3-135 x^2-68 x-12 )/((x+1/2)*(x+1)*(x-3))
(4 x^6+12 x^5-19 x^4-106 x^3-135 x^2-68 x-12 )/((x+1/2)*(x+1)*(x-3))
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