Find All Rational, Irrational, and Complex Zeros $P ( x ) = 2 x ^ { 3 } + 6 x ^ { 2 } + 6 x + 2$

Multiple Choice

Find all rational, irrational, and complex zeros. $P ( x ) = 2 x ^ { 3 } + 6 x ^ { 2 } + 6 x + 2$

A) $\{ - 2 , - i , i \}$
B) $\{ 1 \}$
C) $\{ - 1 \}$
D) $\{ \sqrt { 2 } , - i , i \}$
E) $\{ 2 \}$