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Автор - boom7666

Помогите пожалуйста:((
Вынесите за скобки общий множитель:
а)
3ab {}^{4}  + 9a {}^{2} b {}^{2}  - 21b {}^{6}
б)
 - 12a {}^{4} n + 36n {}^{4}  - a {}^{2} n {}^{3}

Ответ

Автор - lakOR555

а) 3б²(аб²+3а²-7б⁴)

б)н(-12а⁴+36н³-а²н²)

Ответ

Автор - esonia4002

3b^2 (ab^2 + 3a^2 - 7b^4)

-n (12a^4 - 36n^3 + a^2n^2)

^ знак степени

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