Factor the Trinomial Completely $x ^ { 3 } - 6 x ^ { 2 } - 40 x$

Multiple Choice

Factor the trinomial completely. $x ^ { 3 } - 6 x ^ { 2 } - 40 x$

A) $x ( x - 10 ) ( x + 4 )$
B) $x ( x + 10 ) ( x - 4 )$
C) $x ( x + 10 ) ( x + 4 )$
D) $x ( x - 10 ) ( x - 4 )$
E) not factorable