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lexa2112
@lexa2112
July 2022
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x(x-7)=8 срочно нужно помогите
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wangross
Ответ: -1 и 8
2 votes
Thanks 1
pcheloked
X^2-7x=8
x^2-7x-8=0
D=49+32=81
Корень из D=9
x1=(7-9)/2=-1
x2=(7+9)/2=8
0 votes
Thanks 1
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Answers & Comments
Ответ: -1 и 8
x^2-7x-8=0
D=49+32=81
Корень из D=9
x1=(7-9)/2=-1
x2=(7+9)/2=8