Question 757684
You indicate the multiplication or product of the two functions.


{{{(4/x-2)*(9/x)=(9/x)*(4/x)-2*9/x=(36/x^2)-(18/x)=(36/x^2)-(18x/x^2)}}}
={{{(36-18x)/x^2}}}


The only restriction is that {{{x<>0}}}.


The domain is the real numbers {{{x<0}}} and {{{x>0}}}.