Solve the Equation $9 x - x ^ { 2 } = 0$

Multiple Choice

Solve the equation. $9 x - x ^ { 2 } = 0$

A) $\{ 9 \}$
B) $\{ 9,0 \}$
C) $\{ 1,0 \}$
D) $\{ - 1,0 \}$
E) $\{ - 9,0 \}$