Find a Polynomial of Least Degree with Only Real Coefficients $6 , - 10$

Multiple Choice

Find a polynomial of least degree with only real coefficients and having the given zeros.
- $6 , - 10$ , and $2 + 3 \mathrm { i }$

A) $f ( x ) = x ^ { 4 } - 8 x ^ { 3 } - 18 x ^ { 2 } + 146 x - 780$
B) $f ( x ) = x ^ { 4 } - 63 x ^ { 2 } + 292 x - 780$
C) $f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 18 x ^ { 2 } - 146 x + 780$
D) $f ( x ) = x ^ { 4 } - 73 x ^ { 2 } + 292 x - 780$