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02-11-2019
Mathematics

contestada

Factor x3 + x2 + x + 1 over the complex numbers.

Respuesta :

02-11-2019

Answer:

(x+1)(x+i)(x-i)

Step-by-step explanation:

x3 + x2 + x + 1

Group factor: x2(x+1) + (x+1)

= (x+1)(x2 + 1) = (x+1)(x+i)(x-i)

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