$\"\"$

The zeros of the cubic polynomial function are $\"\"$ .

The value of the function : f(1) = $\"\"$ 6.

The complex zeros occur in conjugate pairs, so, $\"\"$ is also a zero of the polynomial function.

From the linear factorization theorem, the cubic polynomial f(x) can be written as :

$\"\"$

$\"\"$ $\"\"$

Find the value of a by using the fact : f(1) = $\"\"$ 6.

$\"\"$

$\"\"$ .

Substitute the value $\"\"$ in $\"\"$ .

$\"\"$

$\"\"$ . $\"\"$

The cubic polynomial function $\"\"$ .