\[\boxed{\text{325\ (325).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
Пояснение.
Решение.
\[\textbf{а)}\ (x + 8)(x - 5) > 0\]
\[x \in ( - \infty;\ - 8) \cup (5; + \infty).\]
\[\textbf{б)}\ (x - 14)(x + 10) < 0\]
\[(x + 10)(x - 14) < 0\]
\[x \in ( - 10;14).\]
\[\textbf{в)}\ (x - 3,5)(x + 8,5) \geq 0\]
\[(x + 8,5)(x - 3,5) \geq 0\]
\[x \in ( - \infty;\ - 8,5\rbrack \cup \lbrack 3,5;\ + \infty).\]
\[\textbf{г)}\ \left( x + \frac{1}{3} \right)\left( x + \frac{1}{8} \right) \leq 0\]
\[x \in \left\lbrack - \frac{1}{3};\ - \frac{1}{8} \right\rbrack.\]