Question 44170
{{{6x-6y-5ax+5ay}}}
{{{(6-5a)x-(5a-6)y}}}
{{{(6-5a)(x+y)}}}

I hope this helps 
P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would e-mail me some feedback on the help you received to adam.chapman@student.manchester.ac.uk