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Sven2281
@Sven2281
July 2022
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помогите пж умоляю быстрее
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tabarc
5х-2/х+2=6х-21/х-3
(5х-2)(х-3)=6х-21)(х+2)=5х2-2х-15х+6=6х2-21х+12х-42=х2+8х-48=0
х1=-8+корень64+192/2=-8+16/2=4 х2=-8-16/2=-12
2у-5/у+5=3у+21/2у-1 =(2у-5)(2у-1)=(у+5)(3у+21)=4у2-10у-2у+5=3у2+15у+21у+105=у2-48у-100=0
у1=48+корень2304+400/2=48+52/2=50 у2=48-52/2=-2
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Answers & Comments
(5х-2)(х-3)=6х-21)(х+2)=5х2-2х-15х+6=6х2-21х+12х-42=х2+8х-48=0
х1=-8+корень64+192/2=-8+16/2=4 х2=-8-16/2=-12
2у-5/у+5=3у+21/2у-1 =(2у-5)(2у-1)=(у+5)(3у+21)=4у2-10у-2у+5=3у2+15у+21у+105=у2-48у-100=0
у1=48+корень2304+400/2=48+52/2=50 у2=48-52/2=-2