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lisa180901
@lisa180901
July 2022
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9х-х³=0 помогите решить уравнение..очень надо
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ShirokovP
Verified answer
X( 9 - x^2)= 0
x( 3 - x)* (3 + x) = 0
x = 0
3- x = 0 ==> - x = - 3 ==> x = 3
3+x = 0 ==> x = - 3
Ответ:
-3; 0 ; 3
1 votes
Thanks 4
ewgenijbark
Verified answer
9х - х³ = 0
х(9 - х²) = 0
х1 = 0 9 - х² = 0
х² = 9
х2 = - 3 х3 = 3
5 votes
Thanks 6
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Answers & Comments
Verified answer
X( 9 - x^2)= 0x( 3 - x)* (3 + x) = 0
x = 0
3- x = 0 ==> - x = - 3 ==> x = 3
3+x = 0 ==> x = - 3
Ответ:
-3; 0 ; 3
Verified answer
9х - х³ = 0х(9 - х²) = 0
х1 = 0 9 - х² = 0
х² = 9
х2 = - 3 х3 = 3