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volodymyrzelenskiy34
@volodymyrzelenskiy34
June 2023
1
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9. Розв'яжіть рівняння: 1) 4х³- 100x = 0;
2) (2+x)²-(x-2)² - 16.
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Kormash
1) 4х³- 100x = 0
4х(х^2-25)=0
х(х^2-25)=0
х=0
х^2-25=0
х=-5
х=5
Відповідь : х1=-5; х2=0; х3=5
2) (2+x)²-(x-2)² - 16
4•2х-16
8х-16 -> Відповідь
2 votes
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Answers & Comments
4х(х^2-25)=0
х(х^2-25)=0
х=0
х^2-25=0
х=-5
х=5
Відповідь : х1=-5; х2=0; х3=5
2) (2+x)²-(x-2)² - 16
4•2х-16
8х-16 -> Відповідь