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помогите решить х в квадрате-8х+12=0

 29.04.2017
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Х2-8х+12=0
D=64-48=4 в квадрате
х1=8+4/2=6
х2=8-4/2=2
Ответ: х=6,х=2

 

 

cool

 01.05.2017

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