Предмет: Геометрия, автор: bodakles4

Помогите пожалуйста

Приложения:

Ответы

Автор ответа: Empers
1

Ответ:

(-2,5;0)

Объяснение:

(3-x)(2x+8)>0 => 6x²+18x-2x²-8x>0 => 4x²+10x>0 выносим x

x>0 и 4x+10>0 => 4x>-10 => x>-10/4=-2,5

x>0 и x>-2,5

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