Form a Polynomial F(x) with Real Coefficients Having the Given $- 2$

Form a polynomial f(x) with real coefficients having the given degree and zeros.
-Degree: 3 ; zeros: $- 2$ and $3 + i$ .

A) $f ( x ) = x ^ { 3 } - 6 x ^ { 2 } - 10 x + 20$
B) $f ( x ) = x ^ { 3 } - 4 x ^ { 2 } - 2 x + 20$
C) $f ( x ) = x ^ { 3 } - 8 x ^ { 2 } + 2 x + 20$
D) $f ( x ) = x ^ { 3 } - 4 x ^ { 2 } - 10 x + 20$

Correct Answer:

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