Автор - ilyasoldatov2018

y^3+27
x^2+6x+9
x^3+2x^2+x+2
4x-4y+xy-y^2

Ответ

Автор - jansaya200586

Ответ:

y^3+27=y^3+3^3=(y+3)(y^2-3y+9)

x^2+6x+9=(x+3)^2

x^3+2x^2+x+2=x(x^2+1)+2(x^2+1)

4x-4y+xy-y^2=4(x-y)+y(x-y)

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