(x + 4) (x + 4) (x + 4) (x + 4)
(x + 4)^4
x (x (x (x + 16) + 96) + 256) + 256
(x^2 + 8 x)^2 + 32 (x^2 + 8 x) + 256
x^4 + 16 x^3 + 96 x^2 + 256 x + 256
x = -4
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Verified answer
Respuesta:
(x + 4) (x + 4) (x + 4) (x + 4)
(x + 4)^4
x (x (x (x + 16) + 96) + 256) + 256
(x^2 + 8 x)^2 + 32 (x^2 + 8 x) + 256
x^4 + 16 x^3 + 96 x^2 + 256 x + 256
Resultado
x = -4