Question

what are the zeros of the polynomial function
f(x)=x(x-4)(x+9)

Answer 1

x=0, x=4, x=-9

Answer 2

thanks

Answer 3

You have to think what will make your function f(x)=0

since x, x-4, x+9 are all factors, only 1 of them needs to be 0 to get f(x)=0
Hence:
x=0
x-4=0
x+9=0