Question

What are the zeros of the polynomial function f(x) = x3 – 4x2 – 12x

Answer 1

it's x cubed - 4x squared- 12x

Answer 2

factor x out
x(x^2-4x-12)=0

then factor the quadreatic
x(x-6)(x+2)=0

set all to 0 and solve
x=0
(x+2)=0
(x-6)=0