Find All the Real Zeros Of $f ( x ) = 2 x ^ { 3 } - 6 x ^ { 2 } + 2 x - 6$

Multiple Choice

Find all the real zeros of $f ( x ) = 2 x ^ { 3 } - 6 x ^ { 2 } + 2 x - 6$ .

A) ​x = 3, $- \frac { 1 } { 3 }$
B) ​x = 2,1,-6
C) ​x = ± 1,3
D) ​x = 3
E) ​x = $\frac { 1 } { 2 }$ , $- \frac { 1 } { 6 }$