题目内容：

-8a的三次方b的平方+12ab的三次方c-6a的平方-6a的平方b因式分解
-8a^3b^2+12ab^3c-6a^2-6a^2b
3a（x-y)+9(y-X)
(2m-3n)^2-2m+3n
16mn^4-m 因式分解,

优质解答

-8a³b²+12ab³c-6a²-6a²b=-2(4a³b²-6ab³c+3a²+3a²b)3a(x-y)+9(y-x)=3a(x-y)-9(x-y)=3(x-y)(a-3)(2m-3n)²-2m+3n=(2m-3n)²-(2m-3n)=(2m-3n)(2m-3n-1)16mn...