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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