> 数学 >
x2−3x
x2−6x+9
x2−11x+30
x2−5x
−1
人气:126 ℃ 时间:2020-05-23 02:18:02
解答
x2−3x
x2−6x+9
x2−11x+30
x2−5x
−1

=
x(x−3)
(x−3)2
(x−5)(x−6)
x(x−5)
-
x−3
x−3

=
3
x−3

故答案为
3
x−3
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