Предмет: Математика, автор: Kate56u

Как решить уравнение 1 1/2х-3=2-2х

Ответы

Автор ответа: NikkiSnow

Задание: 11/(2x-3) = 2-2x. Так?

11 - (2x - 3)*(2 - 2x)
-------------------------- = 0
(2x - 3)

11 - 4x + 4x^2 + 6 - 6x = 0
4x^2 - 10x + 17 = 0
D = 100 - 4*17*4 = -171 <= решений нет

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