For the Polynomial, One Zero Is Given $$P ( x ) = x ^ { 3 } + 5 x ^ { 2 } - 12 x + 14 ; 1 + i$$

Multiple Choice

For the polynomial, one zero is given. Find all others.
- $$P ( x ) = x ^ { 3 } + 5 x ^ { 2 } - 12 x + 14 ; 1 + i$$

A) $1 - i , 7$
B) $1 - i , 7 i$
C) $- 7,7$
D) $1 - i , - 7$