Помогите,прооюшу..........

Question

Помогите,прооюшу..........

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Answer 1

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

2. 15a^6-3a^4
3a^4(5a^2-1)
3. 4x-4y+cx-cy
4(x-y)+c(x-y)
(4+c)(x-y)

7) x^2-9x
x(x-9)

9)