How to simplify this math problem

i am trying to do this problem but i am getting 4

(5+2)^2 / ( - 5^2 - 3^2)

7^2/-8^2
49/64
Simplify that.

Answer is 49/16 assuming that in the second part the problem is:

(-5)^2 - 3^2 = 25-9 = 16

-49/34