Respuesta :

[tex]\bf -2x^2=10x +2\implies \begin{array}{llccll} 0=&2x^2&+10x&+2\\ &\uparrow &\uparrow &\uparrow \\ &a&b&c \end{array} \\\\\\ discriminant\implies b^2-4ac\implies (10)^2-4(2)(2)[/tex]

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