Find the Greatest Common Factor of the Expressions $3 x ^ { 2 }$

Multiple Choice

Find the greatest common factor of the expressions $3 x ^ { 2 }$ and 9x .

A) 27x
B) $3 x ^ { 2 }$
C) 3x
D) $27 x ^ { 3 }$
E) $9 x ^ { 2 }$