Question 23428
{{{x/(x+y)+x/(x-y)}}}


Because this is an addition problem, it calls for a common denominator, which is (x+y)(x-y).


Now, multiply the first fraction by {{{ (x-y)/(x-y) }}} and the second fraction by {{{ (x+y)/(x+y) }}} 


It should look like this:

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

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

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


R^2 at SCC