Why do you need to find zero in a polynomial

Use the Rational Zero Theorem to list all possible rational zeros of the function.

Use synthetic division to evaluate a given possible zero by synthetically dividing the candidate into the polynomial.

Repeat step two using the quotient found with synthetic division.

Find the zeros of the quadratic function.

Step-by-step explanation:

Hope it helps

Answer

-14+9i is the correct answer hope this helps