Respuesta :

[tex]\bf 2m^2+3=m\implies \begin{array}{lcclll} 2m^2&-1m&+3&=0\\ \uparrow &\uparrow &\uparrow \\ a&b&c \end{array} \\\\\\ discriminant\to b^2-4ac\implies (-1)^2-4(2)(3)[/tex]

so is it double rooted?