ریشه های کدام معادله 2- و 3 می باشد؟
\({x^2} + x - 6 = 0\)
\({x^2} - x - 6 = 0\)
\({x^2} + 5x - 6 = 0\)
\({x^2} - 5x + 6 = 0\)
\(\begin{array}{l}\left( {x + 2} \right)\left( {x - 3} \right) = 0\\{x^2} - x - 6 = 0\end{array}\)