Question 753286
{{{((x^2-1)/(x+2))/((x+1)/(x-2))}}}


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


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


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


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