Question

URGENTE!! PERGUNTA FIXADA NA IMAGEM

Answer 1

$2x^2-(m-2)x+3=0\\\\Soma = -\frac{b}{a}\\\frac{3}{4} = -\frac{-(m-2)}{2}\\4*(m-2) = 2*3\\ 4m - 8 = 6\\4m = 6 + 8\\m = \frac{14}{4} = \frac{7}{2} \\\\E) \ \frac{7}{2}$