x3-2x2y+xy2-x
1个回答

x3-2x2y+xy2-x

=X(X^2-2XY+Y^2)-X

=X(X-Y)^2-X

=X[(X-Y)^2-1]

=X{(X-Y-1)(X-Y+1)]

=X(X-Y-1)(X-Y+1)

不懂的欢迎追问,