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6 x 3 --------------- + -------- = --------- (5-x)(x+1) x+1 x-5 6 x 3 --------------- + -------- = - -------- (5-x)(x+1) x+1 5-x 6+х*(5-х)+3(х+1)=0 6+5х-х²+3х+3=0 х²-8х-9=0 D= 64+36=100 √D=10 x₁=(8+10)/2=9 x₂=(8-10)/2=-1
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