Ответ:
Объяснение:
(x^9-y^5)(-x^9-y^5) =-(x^9-y^5)(x^9+y^5)=-(x^18-y^10)=y^10-x^18
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Ответ:
Объяснение:
(x^9-y^5)(-x^9-y^5) =-(x^9-y^5)(x^9+y^5)=-(x^18-y^10)=y^10-x^18