\[\frac{x(x + 4)}{2x - 9} \leq 0\]
\[\frac{x(x + 4)}{2(x - 4,5)} \leq 0\]
\[x \leq - 4;\ \ 0 \leq x < 4,5.\]
\[Ответ:x \leq - 4;0 \leq x < 4,5.\]