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DinoZavrik258
@DinoZavrik258
July 2022
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Разложите на множители квадратный трехчлен:
15x^2-11x+2
Заранее спасибо!
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nKrynka
Решение
15x^2-11x+2
D = 121 - 4*15*2 = 1
x₁ = (11 - 1)/30
x₁ = 1/3
x₂ = (11 + 1)/30
x₂ = 12/30
x₂ = 2/5
15x^2-11x+2 = 15*(x - 1/3)(x - 2/5)
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Answers & Comments
15x^2-11x+2
D = 121 - 4*15*2 = 1
x₁ = (11 - 1)/30
x₁ = 1/3
x₂ = (11 + 1)/30
x₂ = 12/30
x₂ = 2/5
15x^2-11x+2 = 15*(x - 1/3)(x - 2/5)