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WhiteKing21
@WhiteKing21
July 2022
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[tex] \sqrt{4x^2-5x-2} = -x[/tex]
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Checov7400
Возведем обе части уравнения в квадрат и получим
4х²-5х-2=х²
3х²-5х-2=0
D=5²+4*2*3=25+24=49=7²
x1=(5+7)/6=2
х2=(5-7)/6=-1/3
Ответ:2;-1/3
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Answers & Comments
4х²-5х-2=х²
3х²-5х-2=0
D=5²+4*2*3=25+24=49=7²
x1=(5+7)/6=2
х2=(5-7)/6=-1/3
Ответ:2;-1/3