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kristinakuts20
@kristinakuts20
June 2022
2
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1)x^2+x-42=0
2)3x^2-28x+9=0
3)2x^2-8x+11=0
4)16x^2-8x+1=0
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darkbluefox
Х1=6 х2=-7
х1=8 х2=1/3
х1 = 8-корень20/4 х2=8+корень20/4
х=1/4
1 votes
Thanks 1
АрчиАрр
гыг, у тебя второе неправильно
darkbluefox
точнее - третье. да, точно, не внимательна
АрчиАрр
На, смотри на листочке
2 votes
Thanks 1
darkbluefox
64-88= -24 (а не -22), но сути решения не меняет :)
АрчиАрр
ну не важно
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Answers & Comments
х1=8 х2=1/3
х1 = 8-корень20/4 х2=8+корень20/4
х=1/4