Question

find all of the zeros of
f(x)=x^4-2x^3-8x^2-32x-384
@mathmale

Answer 1

i found -4 and 6 using the graphing calc
so i used synthetic division
-4 l 1 -2 -8 -32 -384
-4 24 -64 384
1 -6 16 -96 0
so x^3-6x^2+16x-96

Answer 2

im lost on what to do next

Answer 3

Put 6 on the shelf and get it reduced to a quadratic.