Ответ:
х/(х+4)=3/(х-1); х(х-1)=3(х+4); х²-х=3х+12;
х²-4х-12=0; D=16+48=64; x1=(4-8)/2=-2; x2=(4+8)/2=6
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Ответ:
х/(х+4)=3/(х-1); х(х-1)=3(х+4); х²-х=3х+12;
х²-4х-12=0; D=16+48=64; x1=(4-8)/2=-2; x2=(4+8)/2=6