Предмет: Алгебра, автор: dernov1997

«Упростите выражение его значение при x=-2,5 (3+a)2+(2+a)х (2-a)»

Ответы

Автор ответа: Аноним
0
6+2а+2х+ах+2х-ах= 6+2а+4х

при х= - 2,5

6+2а+4*(-2,5)= 6+4а-10= 2а-6
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