Предмет: Алгебра, автор: КаЙГыыы

(2c-c)²-c(c+4) при c=0.5

Упростить выражение и найти его значение. Пожалуйста побыстрее.

Ответы

Автор ответа: iosiffinikov

0

c^2-c^2-4c=-4c
При с=0,5 ответ : -2

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