smax2003
smax2003
04-09-2017
Mathematics
contestada
(4x-1)(4x+1)-3=15x^2
Respuesta :
twburns96
twburns96
04-09-2017
(16x^2+4x-4x-1)-3=15x^2
16x^2-1-3=15x^2
16x^2-4=15x^2
X^2=4
X=+or-2
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