> dsolve( diff(y(x),x) - (x^2-y(x))/x=0, y(x) );

> dsolve( diff(y(x),x) + (3*exp(3*x)*y(x)-2*x)/exp(3*x)=0, y(x) );

> dsolve( diff(y(x),x) - (x^4+y(x)^4)/(x*y(x)^3)=0, y(x) );

> dsolve( diff(y(x),x) + (2*x^3+3*y(x))/(3*x+y(x)-1)=0, y(x) );

> dsolve( diff(y(x),x) + (x^2+y(x)^2+x)/(x*y(x))=0, y(x) );

> dsolve( diff(y(x),x) + (cos(y(x))+y(x)*cos(x))/(sin(x)-x*sin(y(x)))=0, y(x) );

> dsolve( diff(y(x),x) + (8*y(x)+4*x^2*y(x)^4)/(8*x+5*x^3*y(x)^3)=0, y(x) );

> dsolve( diff(y(x),x) + (x+x^4+2*x^2*y(x)^2+y(x)^4)/y(x)=0, y(x) );

>