For the Polynomial, One Zero Is Given $$P ( x ) = x ^ { 3 } - 8 x ^ { 2 } + 17 x - 30 ; 6$$

Multiple Choice

For the polynomial, one zero is given. Find all others.
- $$P ( x ) = x ^ { 3 } - 8 x ^ { 2 } + 17 x - 30 ; 6$$

A) $1 + 2 \mathrm { i } , 1 - 2 \mathrm { i }$
B) $1 + \sqrt { 5 } \mathrm { i } , 1 - \sqrt { 5 } \mathrm { i }$
C) $- 1 + 2 \mathrm { i } , - 1 - 2 \mathrm { i }$
D) $1 + \sqrt { 5 } , 1 - \sqrt { 5 }$