Предмет: Алгебра, автор: rigel2014

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(x-1)(x²+x+1)+(3-x)(9+3x+x²)=
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Автор ответа: АлинаNI

Ответ:26
Если что непонятно спрашивай

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Автор ответа: rigel2014

спасибо большое

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упростить выражение: (x-1)(x²+x+1)+(3-x)(9+3x+x²)= упростить выражение

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упростить выражение:

(x-1)(x²+x+1)+(3-x)(9+3x+x²)=
упростить выражение