Предмет: Алгебра, автор: antonbagnin

3x^2+5x-2=0 помогите

Ответы

Автор ответа: Notch13

0

3x^2+5x-2=0
D=5^2-4*3*(-2)=25+24=49
[x=(-5+7)/6=2/6=1/3
[x=(-5-7)/6=-12/6=-2
Ответ:1/3;-2

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