用因式分解法解方程 (x-2)^2-2(x-2)=0
人气:399 ℃ 时间:2019-12-01 13:49:14
解答
(x-2)^2-2(x-2)=0
(x-2)(x-2-2)=0
(x-2)(x-4)=0
x1=2,x2=4
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