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valera11011
@valera11011
July 2022
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Решите уравнение!
x^2-4(x-2)+3x-14=0
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Answers & Comments
Juliaa21
X²-4(x-2)+3x-14=0
x²-4x+8+3x-14=0
x²-x-6=0
D=1-4*1*(-6)=1+24=25
x1=(1+5)/2=6/2=3
x2=(1-5)/2=-4/2=-2
Ответ:-2;3
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Answers & Comments
x²-4x+8+3x-14=0
x²-x-6=0
D=1-4*1*(-6)=1+24=25
x1=(1+5)/2=6/2=3
x2=(1-5)/2=-4/2=-2
Ответ:-2;3