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azizova001
@azizova001
July 2022
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математик2011
8х² + 2х³ = 42х | : 2х, х≠0
4х + х² = 21
х² + 4х - 21 = 0
х₁+ х₂ = - 4
х₁* х ₂ = - 21
х₁ = - 7
х₂ = 3
Ответ: -7 + 3 = - 4
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azizova001
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Answers & Comments
4х + х² = 21
х² + 4х - 21 = 0
х₁+ х₂ = - 4
х₁* х ₂ = - 21
х₁ = - 7
х₂ = 3
Ответ: -7 + 3 = - 4