"Nasser M. Abbasi" schrieb:   
   >   
   > I am not good at GroebnerBasis, but using it and lots   
   > of manual steps, it is possible to find many solutions.   
   >   
   > For example here are two solution   
   >   
   > a=1; w=2; b=1/2; u=3; v=3;   
   > a=1; w=1; b=5; u=11/10; v=1;   
   >   
      
   Oops. Waldek required P = (x - u)*(x - v)*(x - w) to be a polynomial   
   without multiple factors.   
      
   Martin.   
      
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