Предмет: Алгебра, автор: twinnyXD

Уравнение х^2 + 2х – 3 = 0 имеет корни -3 и 1. Укажите множество решений неравенства х^2 + 2х – 3 ≥ 0.

Ответы

Автор ответа: sedinalana

x²+2x-3≥0
+ _ +
---------[-3]--------------[1]--------
x∈(-∞;-3] U [1;∞)

Автор ответа: twinnyXD

Спасибо)

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