The function is .

Find the all zeros of the function by equating  f(x) to 0.

f(x) = 0

\ \

By factoring by grouping.

\ \

The all zeros of the polynomial are .

The factors of the polynomial are .

So, the polynomial can be written as:

. \ \

This is the product of linear factors of the polynomial.

The zeros of the polynomial are and

The product of linear factors of the polynomial .