Question 732005
{{{(1-y^2)/(y^2-5y-6)}}}


{{{((1-y)(1+y))/(y^2-6y+y-6)}}}


{{{((1-y)(1+y))/((y^2 -6y)+(y-6))}}}


{{{((1-y)(1+y))/(y(y-6)+1(y-6))}}}


{{{((1-y)(1+y))/((y+1)(y-6))}}}


{{{((1-y)cross((1+y)))/(cross((y+1))(y-6))}}}


{{{(1-y)/(y-6)}}}