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y″(x)(a(xy′(x)−y(x))+y′(x)2)−b=0 ✓ Mathematica : cpu = 0.401265 (sec), leaf count = 281
{Solve[−∫a(ax24+y(x))+4b(ax24+y(x))−2c1(a2(ax24+y(x))2−4b(ax24+y(x))+2c1)(a(ax24+y(x))+4b(ax24+y(x))−2c1)d(ax24+y(x))=−x+c2,y(x)],Solve[∫a(ax24+y(x))+4b(ax24+y(x))−2c1(a2(ax24+y(x))2−4b(ax24+y(x))+2c1)(a(ax24+y(x))+4b(ax24+y(x))−2c1)d(ax24+y(x))=−x+c2,y(x)]} ✓ Maple : cpu = 0.55 (sec), leaf count = 289
{y(x)=−ax24+RootOf(c2−x−(∫_Z(_f2a2−4_fb+2c1)(_fa+4_fb−2c1)_f2a2−4_fb+2c1d_f)),y(x)=−ax24+RootOf(c2−x+∫_Z(_f2a2−4_fb+2c1)(_fa+4_fb−2c1)_f2a2−4_fb+2c1d_f),y(x)=−ax24+RootOf(c2−x−(∫_Z−(_f2a2−4_fb+2c1)(−_fa+4_fb−2c1)_f2a2−4_fb+2c1d_f)),y(x)=−ax24+RootOf(c2−x+∫_Z−(_f2a2−4_fb+2c1)(−_fa+4_fb−2c1)_f2a2−4_fb+2c1d_f)}
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