化简4a2b3x2-2x+1÷6ab1-x2•(ab)-2=______.-数学

题目简介

化简4a2b3x2-2x+1÷6ab1-x2•(ab)-2=______.-数学

题目详情

化简 
4a2b3
x2-2x+1
÷
6ab
1-x2
(ab)-2
=______.
题型:填空题难度:偏易来源:不详

答案

原式=
4a2b3
(x-1)2
×
-(x-1)(x+1)
6ab
×class="stub"1
a2b2

=
-2ab2(x+1)
3(x-1)
×class="stub"1
a2b2

=-
2(x+1)
3a(x-1)

故答案为:-
2(x+1)
3a(x-1)

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