DBG2017
DBG2017
20-03-2017
Mathematics
contestada
Factor completely.
81x4 − 1
Respuesta :
rarrininger
rarrininger
21-03-2017
81x^4=
(9x²-1)(9x²+1)=
Factored further is
(3x-1) (3x+1) (9x²+1)
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