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5(8х-1)-7(4х+1)+8(7-4х)=9
х^2/х+1 - 5/х-2= -11/(х+1)(х-2)
5(8х-1)-7(4х+1)+8(7-4х)=9
х^2/х+1 - 5/х-2= -11/(х+1)(х-2)
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Answers & Comments
-20х=-35
х=1,75
2. х2(х-2)-5(х+1)+11/(х+1)(х-2)=0
х3-2х2-5х-5+11/(х-1)(х-2)=0
х(х2-5)-2(х2-3)/(х+1)(х-2)=0
В конце надо написать х не равно -1 и 2.