Divide. `x/5-:(x+7)/15`

State the quotient in simplest form.

`x/5-:(x+7)/15=`

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.

Divide. `(x^2 - 100)/(x^2 -6 x - 40)-:(7 x)/(x + 4)`

State the quotient in simplest form.

`(x^2 - 100)/(x^2 -6 x - 40)-:(7 x)/(x + 4)=`

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.