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ImLiza
@ImLiza
July 2022
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Знайти всі корені рівняння
8-х=7х²
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HSS9860
Verified answer
1. 7x²+x-8=0 D=1+56*4=225
2. x=((-1)-+√D)/14=((-1)+-15)/14= 1; -8/7
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ImLiza
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Verified answer
1. 7x²+x-8=0 D=1+56*4=2252. x=((-1)-+√D)/14=((-1)+-15)/14= 1; -8/7