问题
填空题
化简
|
答案
原式=
4a2b3 |
(x-1)2 |
-(x-1)(x+1) |
6ab |
1 |
a2b2 |
=
-2ab2(x+1) |
3(x-1) |
1 |
a2b2 |
=-
2(x+1) |
3a(x-1) |
故答案为:-
2(x+1) |
3a(x-1) |
化简
|
原式=
4a2b3 |
(x-1)2 |
-(x-1)(x+1) |
6ab |
1 |
a2b2 |
=
-2ab2(x+1) |
3(x-1) |
1 |
a2b2 |
=-
2(x+1) |
3a(x-1) |
故答案为:-
2(x+1) |
3a(x-1) |