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konaser03
@konaser03
May 2022
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Срочно! Тест! 20 минут
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Xaxaxa111
4/(5-x)+1-x=-4.
4/(5-x)+9-x=0
4+9(5-x)-x(5-x)=0
4+45-9x-5x+x^2=0
x^2-14x+49=0
Вычисляем корни
x1,2=(14+-корень из 196-196)/2
x=7
1 votes
Thanks 1
Morty69
Вроде как то так, Х=7
0 votes
Thanks 1
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Answers & Comments
4/(5-x)+9-x=0
4+9(5-x)-x(5-x)=0
4+45-9x-5x+x^2=0
x^2-14x+49=0
Вычисляем корни
x1,2=(14+-корень из 196-196)/2
x=7