Предмет: Алгебра, автор: 6573663

Помогите!!!! Дам 100 баллов!

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Автор ответа: taisasnitko

Ответ:

Объяснение:1.а) =2а²-3а+1-7а²+5а=-5а²+2а+1.

б)= 12х³-3х².

2.а)2ху-3ху²=ху(2-3у)

б)8b⁴+2b³=2b³(4b+1).

3. 7-12x+4=5-10x;

-12x+10x=5-11;

-2x= -6;

x=3.

6573663: Спасибоо❣️

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