Question 439585
{{{(x-1/x)/( 1-1/x)}}}



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


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


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


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


{{{x+1}}}