1/(x-5)-10/(x²-25)=0

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1/(x-5)-10/(x²-25)=01/(x-5)-10/(x²-25)=01/(x-5)-10/(x²-25)=0(x+5)/(x-5)(x+5)-10/(x-5)

1/(x-5)-10/(x²-25)=0
1/(x-5)-10/(x²-25)=0

1/(x-5)-10/(x²-25)=0
(x+5)/(x-5)(x+5)-10/(x-5)(x+5)=0 ; x+5-10=0 ; x=5;因为分母是x-5 所以无解