Question 685223
A small change: from the second denominator factor out (-2) instead of 2:

{{{(x-5y)/x(x+y)*xy(x-y)/(-2)(x-5y)}}}

You simplify things that are the same in the denominator and numerator: x and (x-5y). You get:

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