Question 1059731
{{{(x^3-x^2-2x)/(x^2-1)= (x(x^2-x-2))/((x-1)(x+1))}}}
{{{(x^3-x^2-2x)/(x^2-1)=((x(x-2)(x+1)))/((x-1)(x+1))}}}
{{{(x^3-x^2-2x)/(x^2-1)=((x(x-2)cross(x+1)))/((x-1)cross(x+1))}}}
{{{(x^3-x^2-2x)/(x^2-1)=((x(x-2)))/(x-1)}}}