Предмет: Алгебра, автор: annaDraGon1442

Розкласти на множники
1)8a-a^4
2)b^2-36+b-6
3)6mn+60-30m-12n

Ответы

Автор ответа: NNNLLL54
0

Ответ:

1)\ \ 8a-a^4=a\cdot (8-a^3)=a\, (2-a)(4+2a+a^2)\\\\2)\ \ b^2-36+b-6=(b-6)(b+6)+(b-6)=(b-6)(b+6+1)=(b-6)(b+7)\\\\3)\ \ 6mn+60-30m-12n=6m(n-5)-12(n-5)=(n-5)(6m-12)=\\\\=6\, (n-5)(m-2)

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