Задание

Запишите системы линейных неравенств, эквивалентных квадратичному неравенству

\(\displaystyle \frac{x+12}{x+55}\ge0{\small.}\)

\(\displaystyle \left\{ \vphantom{\begin{aligned} 1\\[10px] 1 \end{aligned}} \right. \)
\(\displaystyle x+12\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small ,}\)
\(\displaystyle x+55\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small .}\)
или
\(\displaystyle \left\{ \vphantom{\begin{aligned} 1\\[10px] 1 \end{aligned}} \right. \)
\(\displaystyle x+12\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small ,}\)
\(\displaystyle x+55\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small .}\)