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kristinka311999
@kristinka311999
August 2022
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Решить с помощью дискриминанта
6х^2-42х+60=6
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Verified answer
6х^2-42х+60=6
6х^2-42х+60-6=0
Сократим все на 6:
х^2-7х+10-1=0
х^2-7х+9=0
D=49-4*9=49-36=13
x1,2=7+- корень из 13/2
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Answers & Comments
Verified answer
6х^2-42х+60=66х^2-42х+60-6=0
Сократим все на 6:
х^2-7х+10-1=0
х^2-7х+9=0
D=49-4*9=49-36=13
x1,2=7+- корень из 13/2