Question 40737
 
  First of all factorise all the expressions. I presume that you know to factorise.

  {{{(x^2+2x-3)/(x+2)}}} X {{{(x^2+2x)/(x^2-1)}}}
 
  {{{((x+3)(x-1))/(x+2)}}} X {{{(x(x+2))/((x+1)(x-1))}}}  After cross cancellation, we get
  
  {{{(x(x+3))/(x+1)}}}.  Answer.
 
  gsm