Предмет: Алгебра, автор: Cергей771

Помогите пожалуйста 4x+4x^2+1=0

Ответы

Автор ответа: Piffy

4x^2+4x+1=0
Д1= 4-4=0 → один корень
х= (-2+0)/4= -1/2

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