Ответ:
(Х^2-4х)2-8(х^2-4х)-48=0
2х^2-8х-8х^2+32х-48=0
-6х^2+24х-48=0. :(-6)
Х^2-4х+8=0
D=-4^2-4*1*8=16-32=-16
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Ответ:
(Х^2-4х)2-8(х^2-4х)-48=0
2х^2-8х-8х^2+32х-48=0
-6х^2+24х-48=0. :(-6)
Х^2-4х+8=0
D=-4^2-4*1*8=16-32=-16