Solve the Inequality $$x ^ { 2 } + 6 x \leq 0$$

Multiple Choice

Solve the inequality.
- $$x ^ { 2 } + 6 x \leq 0$$

A) $( - \infty , 0 ]$ or $[ 6 , \infty )$
B) $[ - 6,0 ]$
C) $( - \infty , - 6 ]$ or $[ 0 , \infty )$
D) $[ 0,6 ]$