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Настя160024
@Настя160024
July 2022
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Решите уравнение :
1) х^5-х^4-х+1=0
2)х(х+2)-(х+3)(х-3)=13
3) 4х(х-1)-(2х+5)(2х-5)=1
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Answers & Comments
zaimanai3110
1) не понимаю
2)х^2+2х-х^2 +9=13
х^2-х=4
х (х-1)=4
х=4 или х-1=4
х=5
3)4х^2-4х-4х^2+25=1
-4х=-24
х=6
2 votes
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Answers & Comments
2)х^2+2х-х^2 +9=13
х^2-х=4
х (х-1)=4
х=4 или х-1=4
х=5
3)4х^2-4х-4х^2+25=1
-4х=-24
х=6