Ответ:
1.(x+y^2+z)(x-z)=3x^2+3xy+6xz-2yx-2y^2-4yz
2.(x+y^2+z)(x-z)=x^2+xy^2+xz-zx-zy^2-z^2
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Ответ:
1.(x+y^2+z)(x-z)=3x^2+3xy+6xz-2yx-2y^2-4yz
2.(x+y^2+z)(x-z)=x^2+xy^2+xz-zx-zy^2-z^2