Question

Розкласти на множники срочно помогите пжж
1)18xy-6y²
2)15a⁷-3a⁵
3)8x-8y-bx-by
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Answer 1

1)(18xy - 6y^2 = 6y(3x - y)

2) 15a^7 - 3a^5 = 3a^5(5a^2 - 1)

3) 8x - 8y - bx - by = - (bx + by) + 8(x - y) = -b(x + y) + 8(x - y)