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andreevvv641
@andreevvv641
July 2022
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Решите уравнение: y=x^2+9x-8
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echo2
X^2-9x+8=0
D=(-9)^2-4*1*8=81-32=49
sqrt(49)=7
x1=(9+7)/2=16/2=8
x2=(9-7)/2=2/2=1
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Answers & Comments
D=(-9)^2-4*1*8=81-32=49
sqrt(49)=7
x1=(9+7)/2=16/2=8
x2=(9-7)/2=2/2=1