Thanks in advance...

P = x(y+2)

Q = xy+2

Show clearly that P-Q = 2(x-1)

I am going in circles since I worked that way...

Expended x(y+2) into xy+2x

therefore

1) xy+2x-xy+2

2) 2x+2

3) Factorise... 2(x+1)

Grrr... Where am I going wrong?

HELP...