Question 780011
{{{((x^2+x)/ (3x-15))((6x-30)/(x^2+2x+1))}}}


{{{(x(x+1)/ 3(x-5))(6(x-5)/(x+1)^2)}}}


{{{(x*cross((x+1))/ cross(3)1cross((x-5)))(cross(6)2cross((x-5))/(x+1)^cross(2))}}}


{{{(x/ 1)(2/(x+1))}}}


{{{2x/(x+1)}}}