Предмет: Математика, автор: анна756

разложите на множител : а^2-8ac+16c^2-m^2

Ответы

Автор ответа: Marzha777

a²-8ac+16c²-m²=
= (a²-8ac+16c²)-m²=
=(a²-2*a*4c+(4c)²)-m²=
=(a-4c)²-m²=
=(a-4c-m)(a-4c+m)

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