Question 654428
8*x^2*y^2-16*xy+2*x*x*^3*y/4
8*x^2*y-16*xy+1*x*x^3*y/2
8*x^2*y^2-16*xy+1/x1+3/2*y
8*x^2*y^2-16*xy+1*x1+3/2*y
8*x^2*y^2-16*xy+x1+3/2*y
8*x^2*y^2-16*xy+x4*y/2