Find d(x)=e(x)-f(x) if e(x)=52x-4 and f(x)=52x+4

Type in the answer starting with d(x)= with NO SPACES.
Hint: Start by writing out e(x)-f(x). You are subtracting the entire f(x).

I dont need the answer anymore i got it now, if anyone in the future needs it here it is: d(x)=-8