math question please answer or i will fail

Question

what is the polynomial f(x) of degree of 3 with the following 0,-3,9

Answer 1

zeros of 3,-9, 0

take each zero, change its sign, and stick an x in front of it,

to get the factors, then multiply them together

degree 3

(x-0)(x-3)(x+9)

= x(x^2 + 6x -27)

= x^3 +6x^2 -27x