Предмет: Алгебра, автор: знающий

8b^3-a^3+a-2b

_________________

1-(a+b)^2-3b^2

Ответы

Автор ответа: ATLAS

0

8b^3-a^3+a-2b (2b-a)(4b^2+2ab+a^2)-(2b-a)

_________________ = __________________________ =

1-(a+b)^2-3b^2 1-a^2-b^2-3b^2

= (2b-a)(4b^2+2ab+a^2-1)

___________________________ = -(2b-a)=a-2b

-(4b^2+2ab+a^2-1)

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