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elnara1103
@elnara1103
July 2022
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SSKKSS
.. ............... ..
1 votes
Thanks 0
MizoriesKun
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
2 votes
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Answers & Comments
--------------- + -------- = ---------
(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