Предмет: Алгебра, автор: assiji

пожалуйста помогите упростить

6a(a-x+c)+6x(a+x-c)-6c(a-x-c)

Ответы

Автор ответа: red321

0

$...=6a^2-6ax+6ac+6ax+6x^2-6cx-6ac+6cx+6c^2=\=6a^2+6x^2+6c^2$

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