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ddxy(x)=−4xy(x)+x3+2x2−4x−8−8y(x)+2x2+4x−8=0
Mathematica: cpu = 0.030004 (sec), leaf count = 36 {{y(x)→2(W(−ec1−x4−1)+1)+14(x2+2x−4)}}
Maple: cpu = 0.062 (sec), leaf count = 26 {y(x)=x24+2lambertW(1/2_C1e−x/4e−1/2)+x2+1}
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