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nastyashamkova
@nastyashamkova
July 2022
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14-(2+3х-х²)=х²+4х-9
помогите, дам лучший ответ, 5 звезд!!
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Dyaga
12-3х+х2=х2+4х-9
-7х+х2-х2=-21
-7х=-21
х=3
27 votes
Thanks 33
Dyaga
х2 это ИКС во второй степени
Ядрышко
14-2-3х+х^2=х^2+4х-9
14-2-3х=4х-9
12=7х-9
21=7х
х=3
23 votes
Thanks 41
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Answers & Comments
-7х+х2-х2=-21
-7х=-21
х=3
14-2-3х=4х-9
12=7х-9
21=7х
х=3