Question 314327
{{{(y^5-5y^4+4y^3)/(y^3-6y^2+8y)=(y^3(y^2-5y+4))/(y(y^2-6y+8))}}}
{{{(y^5-5y^4+4y^3)/(y^3-6y^2+8y)=(y^2(y-4)(y-1))/((y-2)(y-4))}}}
{{{(y^5-5y^4+4y^3)/(y^3-6y^2+8y)=(y^2*cross(y-4)(y-1))/((y-2)cross(y-4))}}}
{{{(y^5-5y^4+4y^3)/(y^3-6y^2+8y)=(y^2(y-1))/(y-2)}}}