Solve the Equation $9 x = x ^ { 2 }$

Multiple Choice

Solve the equation. $9 x = x ^ { 2 }$

A) $x = 9 , \quad x = 9$
B) $x = 0 , \quad x = - 9$
C) $x = 9$
D) $x = 0 , \quad x = 9$
E) $x = 0$