Respuesta :

3(x-4)^4/3+16 = 64
3(x-4)^4/3 = 48
(x-4)^4/3 = 16
(x-4)^4 = 4096
(x-4)^2 = 64
x^2-8x+16 = 64
x^2-8x-48 = 0
(x+4)(x-12) = 0
x = -4 or x = 12

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