решить уравнение: [tex]2x^2-5x-3=0[/tex]. Created by denrashew. algebra-ru

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August 2022 1 12 Report

решить уравнение:
[tex]2x^2-5x-3=0[/tex]

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sebrithien

$2 {x}^{2} - 5x - 3 = 0 \\ D = 25 - 4 \times 2 \times ( - 3) = 25 + 24 = 49 = {7}^{2} \\ x_1 = \frac{5 + 7}{4} = \frac{12}{4} = 3 \\ x_2= \frac{5 - 7}{4} = \frac{ - 2}{4} = - 0.5$

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iz 30 uchastnikov sobraniya nado vybrat predsedatelya i sekretarya skolkimi sposo9112352ce4b27522af6620203c080c2d 34636

reshite pozhalujsta 903 nomer na fotografii

sdelajte inglish pliz

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reshit zadanie na fotke

pri dyhanii chelovek potreblyaet za chas primerno 80 g kisloroda kakoj obyom kislo

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