3х²+5х-2=0
D=5²-4×3×(-2)=49
х1= -5+7/6= 1/3
х2= -5-7/6= -2
Ответ: х1=1/3; х2=-2.
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3х²+5х-2=0
D=5²-4×3×(-2)=49
х1= -5+7/6= 1/3
х2= -5-7/6= -2
Ответ: х1=1/3; х2=-2.