解这个方程:3(x-5)²=2(5-x)
人气:403 ℃ 时间:2020-02-06 04:27:07
解答
3(x-5)²=2(5-x)
3(x-5)²+2(X-5)=0
(x-5)(3x-15+2)=0
(x-5)(3x-13)=0
x1=5,x2=13/3谢了第一步不是减2吗……平方呢
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