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vikaoberemchuk
@vikaoberemchuk
July 2023
2
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20 б
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yarikmarineha
Ответ:
3) 4
Объяснение:
1 votes
Thanks 1
yarikmarineha
Зараз
yarikmarineha
а=1,b=-2
yarikmarineha
x=-(-2/2*1)
yarikmarineha
x=1
vikaoberemchuk
дякуююю
katya14k
Verified answer
у=х^2-2х-8;
0=х^2-2х-8;
х^2-2х-8=0;
х^2+2х-4х-8=0;
х(х+2)-4(х+2)=0;
(х+2)(х-4)=0;
х+2=0; х-4=0;
х=-2; х=4;
Відповідь : х1=-2; х2=4.
3 votes
Thanks 0
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Answers & Comments
Ответ:
3) 4
Объяснение:
Verified answer
у=х^2-2х-8;0=х^2-2х-8;
х^2-2х-8=0;
х^2+2х-4х-8=0;
х(х+2)-4(х+2)=0;
(х+2)(х-4)=0;
х+2=0; х-4=0;
х=-2; х=4;
Відповідь : х1=-2; х2=4.