2 y*x + 5*x*y
y*x^2 + (5*x)*y
x*y*(5 + x)
(x + 5)*x*y
((x + 5)*x)*y
y*x^2 + 5.0*x*y
/ 2 \ y*\x + 5*x/
y*(x^2 + 5*x)