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LifehackBrain
@LifehackBrain
August 2022
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(3x+1)/2+2=(x+1)/7-x.Помогите решить пожалуйста
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сержуха99
21х-3х
²+7-х+28-4х=2х+2
3х²-14х-33=0
D₁=k²-ac
D₁=196+99=295
х₁=(14+√295)/3
х₂=(14-√295)/3
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LifehackBrain
Извините,но ответ не совпадает
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Answers & Comments
3х²-14х-33=0
D₁=k²-ac
D₁=196+99=295
х₁=(14+√295)/3
х₂=(14-√295)/3