Задание

Запишите системы линейных неравенств, эквивалентных квадратичному неравенству

\(\displaystyle (x-5)(x+9)\le 0{\small.}\)

\(\displaystyle \left\{ \vphantom{\begin{aligned} 1\\[10px] 1 \end{aligned}} \right. \)
\(\displaystyle x-5\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small ,}\)
\(\displaystyle x+9\)[?|≤|≥|=|>|<]\(\displaystyle 0\)
или
\(\displaystyle \left\{ \vphantom{\begin{aligned} 1\\[10px] 1 \end{aligned}} \right. \)
\(\displaystyle x-5\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small ,}\)
\(\displaystyle x+9\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small .}\)