Предмет: Алгебра, автор: ксюня3575

помогите пожалуйста!!!!!!!!!!

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Ответы

Автор ответа: vladparshichevp3qvk3
0
1)Д=(-11)в квадрате -4•5•2=121-40=81
х1=-(-11)+9: =2
2•5
х2=-(-11)-9: =0.3
2•5

остальное смотри в приложении Photomath
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__________________________________________________________________________
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