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ZnatokKathek
@ZnatokKathek
July 2022
2
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7. Решите уравнение
x^2-6x -7= 0
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Answers & Comments
anniigr
Ответ: х=-1, х=7 (возможно два варианта), подробное решение ниже на фото:
2 votes
Thanks 0
LayHap
Ответ: D=
-4ac
D=36-4*1*-7=64
x1=
=7
x2=
=-1
2 votes
Thanks 1
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Answers & Comments
Ответ: D=-4ac
D=36-4*1*-7=64
x1==7
x2==-1