\(\left\{{}\begin{matrix},m\ne0\\\Delta'>0\Leftrightarrow m^2-m>0\\x1+x2>0\Leftrightarrow2>0\\x1.x2>0\Leftrightarrow\dfrac{1}{m}>0\end{matrix}\right.\Leftrightarrow\left\{{}\begin{matrix}m\ne0\\\left[{}\begin{matrix}m< 0\\m>1\end{matrix}\right.\\m>0\\\end{matrix}\right.\)\(\Leftrightarrow m>1\)