Respuesta :

[tex]2 \times 2 - 9x + 8 = 0 \\ 4 - 9x + 8 = 0 \\ - 9x + 12 = 0 \\ - 9x = 12 \\ x = \frac{ - 12}{ - 9} \: or \: x = \frac{12}{9} \\ x = \frac{4}{3} [/tex]