Factor the Following Trinomial Completely $x ^ { 2 } - 3 x + 2$

Multiple Choice

Factor the following trinomial completely. $x ^ { 2 } - 3 x + 2$

A) ( x + 2) ( x $-$ 1)
B) ( x $-$ 2) ( x + 1)
C) x ( x $-$ 3) + 2
D) ( x $-$ 2) ( x $-$ 1)
E) ( x + 2) ( x + 1)