The function is .

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

h(x) = 0

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By factoring by grouping.

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Apply zero product property.

                 (The imaginary unit )

.

All zeros of the polynomial are .

The linear 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 .