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lianasadykova
@lianasadykova
July 2022
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надо найти корень уравнения
7x^{2}-2,8x=0
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ShirokovP
Verified answer
7x^2 - 2,8x = 0
x (7x - 2,8) = 0
1) x = 0 ;
2) 7x - 2,8 = 0
7x = 2,8
x = 0,4
1 votes
Thanks 1
LolaBraun
7x^2-2,8x=0
x(7x-2,8)=0
x=0 7x-2,8=0
7x=2,8
x=0,4
Ответ: два корня, x1=0, x2=0,4
2 votes
Thanks 2
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Answers & Comments
Verified answer
7x^2 - 2,8x = 0x (7x - 2,8) = 0
1) x = 0 ;
2) 7x - 2,8 = 0
7x = 2,8
x = 0,4
x(7x-2,8)=0
x=0 7x-2,8=0
7x=2,8
x=0,4
Ответ: два корня, x1=0, x2=0,4