Предмет: Алгебра, автор: danilkorederya229

Помогите пожалуйста,(2x-1)(2x+)=4x(x-7)-18x

vseznaika0595: 2х+?

danilkorederya229: 2x+1*

danilkorederya229: 2x+1

Ответы

Автор ответа: offokar

1

Ответ:

х=1/46

Объяснение:

(2х-1)(2х+1)=4х(х-7)-18х

4х^2-1=4х^2-28х-18х

46х=1

х=1/46

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