Question 643640
{{{ ((x+1)^3(x-2) +3(x-1))/(x+1)^4}}}


{{{ (x+1)^3(x-2)/(x+1)^4 +3(x-1)/(x+1)^4}}}


{{{ cross((x+1)^3)(x-2)/(x+1)^cross(4)^1 +3(x-1)/(x+1)^4}}}


{{{ (x-2)/(x+1) +3(x-1)/(x+1)^4}}}


{{{ (x-2)/(x+1) +3(x-1)/(x+1)^4}}}