Divide. `(x^2 - 25)/(x^2 + 4 x - 45)-:(7 x)/(x + 9)`

State the quotient in simplest form.

`(x^2 - 25)/(x^2 + 4 x - 45)-:(7 x)/(x + 9)=`

Enter the numerator and denominator separately in the boxes above. If the denominator is 1, enter the number 1. Do not leave either box blank.