Предмет: Геометрия, автор: anwarkhamzin

помогите пожалуйста ,не могу решить!! разложите на множители: 1)14xy^2+21xy(^2 значит в квадрате) 2)9x^8-72x^15 3)8x+8y-cx-cy

Ответы

Автор ответа: Хуqожнuк

1) 14xy²+21xy = 7xy(2y+3)
2) 9x⁸-72x¹⁵ = 9x⁸(1-8x⁷)
3) 8x+8y-cx-cy = 8(x+y)-c(x+y) = (8-c)(x+y)

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