Question 669836
{{{((x^2-y^2)/(3x^2+3xy)) * ((3x^2+6x)/(3x^2-2xy-y^2))}}}


{{{((x+y)(x-y))/(3x(x+y))*(3x(x+2))/((3x+y)(x-y))}}}


{{{(x+2)/(3x+y)}}}