[(x-9)/(x^2-9)]-[(1)/(x+3)]

Question

I got (6-x)/(x+3) for answer.

[(2)/(y-3)]+[£¨4£©/(3-y)]
I got (-2)/(y-3) for answer.

I'm not sure about the answers, please check them for me and correct me!
THANKS A LOT!

Answer 1

The first is wrong. I am not certain about the second.

I will be happy to check your work. To do the first one, multiply the second term only by (x-3)/(x-3)

Answer 2

I did mutiply the second term by (x-3)/(x-3), but when I simplify it, I got mess up.