Find the LCD of the Rational Expressions in the List $$\frac { x + 3 } { x ^ { 2 } - 3 x } , \frac { - 3 } { x ^ { 2 } - 4 x + 3 }$$

Multiple Choice

Find the LCD of the rational expressions in the list.
- $$\frac { x + 3 } { x ^ { 2 } - 3 x } , \frac { - 3 } { x ^ { 2 } - 4 x + 3 }$$

A) $x ( x - 3 ) ( x - 1 )$
B) $x ( x - 2 ) ( x - 1 )$
C) $( x - 2 ) ^ { 2 }$
D) $x ( x - 2 ) ^ { 2 }$