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0LD0
@0LD0
July 2022
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1) 3x^2+5x-8=0
2) x^2+5x+10=0
3) 7x^2-14x+7=0
4) -x^2+3x+4=0
5) 4(x-1)^2-16x=0
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прр40
1) 3x²+5x-8=0
D=25-4*3*(-8)=121
x= -5+11/6=1
x= -5-11/6= -8/3= -2*2/3
2) x²+5x+10=0
D=25-4*10= -15
корней нет
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Answers & Comments
D=25-4*3*(-8)=121
x= -5+11/6=1
x= -5-11/6= -8/3= -2*2/3
2) x²+5x+10=0
D=25-4*10= -15
корней нет