calculus
posted by Josh on .
can someone please help me find all the zeros of the following polynomial. write the polynomial in factored form.
f(x)=x^33x^2+16x48
can you please show all work

Group two by two
X^2(x3)+16(x3)
(X3)(x^2+16)
For zeros
X3=0
X=3
X^2+16=0
X^2=16
X=+or 4i