Question 171464
{{{(2x+2y)/x }}}* {{{(xy-y^2)/(2x^2*y-2y^3)}}} 
 {{{((2)(x+y))/x}}} * {{{((y)(x-y))/((2)(y)(x^2-y^2))}}} write x^2-y^2 as (x-y)(x+y)
and  cancel duplicate factors then you will get answer  1/x