F(x)=x^(2) (x-9) The zero of f is/are

Question

`f(x)=x^(2) (x-9)`
The zero of f is/are

Answer 1

f(x) = x²(x-9)

x²(x-9)=0

x²=0

x-9=0

we solve the equation

x-9=0

x=9

The zero of f are (0;9)

Explanation: