Question

AYUDA URGENTE DOY CORONITA CON RESOLUCION PLSSS

Answer 1

Respuesta:

${x}^{3} - {x}^{2} - 4x + 4 = 0 \\ {x}^{2} (x - 1) - 4(x - 1) = 0 \\ (x - 1)( {x}^{2} - 4) = 0 \\ (x - 1)(x - 2)(x + 2) = 0 \\ a = 2, \: \: b = - 1, \: \: y \: \: c = - 2$

Luego,

$2a - b - c = 7$