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ddxy(x)=y(x)(y(x)+x)(1+y(x))x(xy(x)+x+y(x))=0
Mathematica: cpu = 16.574105 (sec), leaf count = 386 Solve[−22/3(1−(x6(x+1)3)2/3(x+1)2((x−2)y(x)+x)x4((x+1)y(x)+x))((x6(x+1)3)2/3(x+1)2((x−2)y(x)+x)x4((x+1)y(x)+x)+2)((1−(x6(x+1)3)2/3(x+1)2((x−2)y(x)+x)x4((x+1)y(x)+x))log((x6(x+1)3)2/3(x+1)2((x−2)y(x)+x)x4((x+1)y(x)+x)+223)+((x6(x+1)3)2/3(x+1)2((x−2)y(x)+x)x4((x+1)y(x)+x)−1)log(22/3(1−(x6(x+1)3)2/3(x+1)2((x−2)y(x)+x)x4((x+1)y(x)+x)))+3)9(3(x6(x+1)3)2/3(x+1)2((x−2)y(x)+x)x4((x+1)y(x)+x)−((x−2)y(x)+x)3((x+1)y(x)+x)3−2)=c1+22/3(x6(x+1)3)2/3(x+1)29x3,y(x)]
Maple: cpu = 0.140 (sec), leaf count = 97 {y(x)=−xeRootOf(−ln(e_Z2+92)e_Z+3_C1e_Z+_Ze_Z+xe_Z+9)(eRootOf(−ln(e_Z2+92)e_Z+3_C1e_Z+_Ze_Z+xe_Z+9)x+eRootOf(−ln(e_Z2+92)e_Z+3_C1e_Z+_Ze_Z+xe_Z+9)+9)−1}
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