Given that the polynomial $x^2-kx+16$ has only positive integer roots, find the average of all distinct possibilities for $k$.
Thank you! :DDDD
+37157 (x-1)(x-16) roots + 1 +16 k =17
(x-2)(x-8) k = 10
(x-4)(x-4) k = 8 add 'em up and find the average
