Предмет: Алгебра, автор: Luffy937824

3 задание решите плиз

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Автор ответа: rubilovalex

0

D=(-6)^2-4*5*(-8)=36+160=196; x1=(6-14)/10; x2=(6+14)/10. x1= -0,8. x2=2. Ответ: x= -0,8.

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