4x/(5x-2)+(5x-2)/4x=17/4(用换元法)

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4x/(5x-2)+(5x-2)/4x=17/4(用换元法)
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4x/(5x-2)+(5x-2)/4x=17/4(用换元法)
4x/(5x-2)+(5x-2)/4x=17/4(用换元法)

4x/(5x-2)+(5x-2)/4x=17/4(用换元法)
令4x/(5x-2)=y
y+1/y=17/4
y=4或y=1/4,解4x/(5x-2)=4.4x/(5x-2)=1/4
故x=1/2或x=-2/11