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XxChipchilinkaxX
@XxChipchilinkaxX
July 2022
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Решите уравнение, прошу: (7х+1)(х-3)+20(х-1)(х+1)=3(3х-2)²+13
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shershunvaleri
8х+20х+1х_1+3+1_1_9+13 вот
1 votes
Thanks 0
AkvaChan
7х²-21х+х-3+20х²-20=27х²-24х+25
27х²-20х-23=27х²-24х+25
4х=48
х=12
3 votes
Thanks 1
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Answers & Comments
27х²-20х-23=27х²-24х+25
4х=48
х=12