Question: ODE analyer assistant in maple 12

How do I get the ODE Analyzer Assistant to solve problems like the ones below:

 

ydx-xdy=Y^3dx + Y^2xdy  x=2 when y=4 I keep getting errors like cannot determine dependant variable or I get y=y in parameters

 

another example

(1+x^2)dy + xy dx =x dx  no initial values just solve it.

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