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instanbikeev
@instanbikeev
August 2022
2
16
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СРОЧНО
Решите уравнение: (х – 4)2 – х(х + 3) = –17
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belocerkovskaaalina7
2x-8-x-3x=-17
-x-8-x2(степени)=-17
-x-8-x2+17=0
-x+9-x2=0
-x2-x+9=0
x2+x-9=0
x=1или -9
Но это не точно
4 votes
Thanks 1
Sofinoi
Вот такое решение у меня получилось:
1 votes
Thanks 1
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Answers & Comments
-x-8-x2(степени)=-17
-x-8-x2+17=0
-x+9-x2=0
-x2-x+9=0
x2+x-9=0
x=1или -9
Но это не точно