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Kseniya140602
@Kseniya140602
July 2022
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Помогите, пожалуйста, с 8 номером
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Universalka
Verified answer
3x² - 4x = 3x - 4
3x² - 4x - 3x + 4 = 0
3x² - 7x + 4 = 0
D = (- 7)² - 4 * 3 * 4 = 49 - 48 = 1
Если x₁ = 1 1/3 , то
Если x₂ = 1 , то
y₂ = 3 * 1 - 4 = 3 - 4 = - 1
Ответ: (1 1/3 ; 0) , ( 1 ; - 1)
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Kseniya140602
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Universalka
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Answers & Comments
Verified answer
3x² - 4x = 3x - 43x² - 4x - 3x + 4 = 0
3x² - 7x + 4 = 0
D = (- 7)² - 4 * 3 * 4 = 49 - 48 = 1
Если x₁ = 1 1/3 , то
Если x₂ = 1 , то
y₂ = 3 * 1 - 4 = 3 - 4 = - 1
Ответ: (1 1/3 ; 0) , ( 1 ; - 1)