Ответ:
y=2x²-6x+x-3
2x²-5x-3=y
Д=25+24=1
x1,2=(5±1)/4=x1=1.5
x2=1
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Ответ:
y=2x²-6x+x-3
2x²-5x-3=y
Д=25+24=1
x1,2=(5±1)/4=x1=1.5
x2=1