1)ax+2a-3x-6a(x+2)-3(x+2)(a-3)(x+2)
2)3(x-2y)²-3x+6y3(x-2y)(x-2y)-3(x-2y)3(x-2y)(x-2y-1)3(x-2y)(x-2y-1)
1)ax+2a-3x-6
a(x+2)-3(x+2)
(a-3)(x+2)
2)3(x-2y)²-3x+6y
3(x-2y)(x-2y)-3(x-2y)
3(x-2y)(x-2y-1)
3(x-2y)(x-2y-1)