Respuesta :

Answer:

B. (x-4)(x+i)(x-i)

Step-by-step explanation:

x³-4x²+x-4=

=x²(x-4)+(x-4)

=(x-4)(x²+1)

=(x+4)(x-i²)

=(x-4)(x+i)(x-i)

Answer:(x+1)(x-1)(x-4)

Step-by-step explanation: