Question 747788
{{{f(x)=-4*x*(x^2+6x-16)}}} because the right-side is factorable into that.



2______|______1_______6_______-16
_______|
_______|______________2_______16___
____________________________________
______________1_______8_______0


Quotient is (x+8).


Complete factorization is {{{highlight(f(x)=-4x(x-2)(x+8))}}}.