For the Polynomial, One Zero Is Given $$P ( x ) = x ^ { 3 } + 8 x ^ { 2 } - 18 x + 20 ; 1 + i$$

Multiple Choice

For the polynomial, one zero is given. Find all others.
- $$P ( x ) = x ^ { 3 } + 8 x ^ { 2 } - 18 x + 20 ; 1 + i$$

A) $- 10,10$
B) $1 - \mathrm { i } , 10 \mathrm { i }$
C) $1 - \mathrm { i } , - 10$
D) $1 - \mathrm { i } , 10$