3(x-5)平方=2(5-x)
3(x-5)平方=-2(x-5)
两边同时除以(x-5)
3(x-5)=-2
x-5=-2/3
x=5-2/3
x=4+1/3
3(x-5)平方=2(5-x)
3(x-5)^2-2(5-x)=0
3(x-5)^2+2(x-5)=0
(x-5)(3x-15+2)=0
(x-5)(3x-13)=0
x=5
或
13/3
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谢谢
x=-3或x=2
(3x-15+2)(x-5)=0
x=5或x=13/3
2﹙x-5﹚²=3﹙5-x﹚
2﹙x-5﹚²+3﹙x-5﹚=0
﹙x-5﹚[2﹙x-5﹚+3]=0
x1=5
x2=﹣3/2+5=3.5