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ksan99
@ksan99
July 2022
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решите уравнение x^2+7x-8=0
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Butterfly34
Находим корни уравнения!
д=7^2-(-8)*4
д=49+32=81,корень из дискриминанта=9
х1=(-7+9)/2=1
х2=(-7-9)/2=-8
ответ:1,-8
1 votes
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Answers & Comments
д=7^2-(-8)*4
д=49+32=81,корень из дискриминанта=9
х1=(-7+9)/2=1
х2=(-7-9)/2=-8
ответ:1,-8