Предмет: Алгебра, автор: yarik09mas

сложение и вычитание многочленов
(1+3а)+(а²-2а)

Ответы

Автор ответа: 7x8

0

Ответ:

$a^2+a+1$

Объяснение:

$(1+3a)+(a^2-2a)=1+3a+a^2-2a=a^2+a+1$

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