2010009504
Level:
B
Find the solution set of the following inequality.
\[
\left (x +2\right )\left (x +1\right )\left (x - 3\right )\leq 0
\]
\((-\infty ;-2] \cup [ -1;3] \)
\((-\infty ;-2] \)
\((-\infty ;-2] \cup [ -1;\infty )\)
\(\{-2;-1;3\}\)
\((-\infty ;3] \)