[tex]\triangle \geq 0=\ \textgreater \ m\in(-\infty,2]\\
x_1\ \textless \ 1\\
x_2\ \textless \ 1\\
x_1+x_2\ \textless \ 2=\ \textgreater \ -\frac{2m}{m+1} \ \textless \ 2=\ \textgreater \ m\in(-\infty,-2)U(-1,+\infty)\\
(x_1-1)(x_2-1)\ \textgreater \ 0=\ \textgreater \ x_1x_2-(x_1+x_2)+1\ \textgreater \ 0=\ \textgreater \ \\
\frac{m-1}{m+2} + \frac{2m}{m+2}+1\ \textgreater \ 0=\ \textgreater \ m\in(-\infty,-2)U(-1/4,+\infty) \\
In~final:m\in(-\infty,-2)U(-1/4,2) [/tex]
