$\"\"$

The polynomial function is $\"\"$ and its zero $\"\"$ .

Since complex zeros occur in conjugate pairs, $\"\"$ is also a zero of f.

Thus, the factors of f are $\"\"$ .

Multiplying these two factors produces $\"\"$ .

Rewrite the expression in long division form $\"\"$ .

The zero is included for missing term x in the divisor.

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

By the division algorithm theorem, the result of the division is $\"\"$ .

The complete factorization of f(x) is $\"\"$ .

The zeros of f(x) are $\"\"$ . $\"\"$

The zeros of f(x) are $\"\"$ .