3) Решите уравнения: (1+1+1+1)б.в) 2x² - 3x - 2 = 0.г) 4x² - 9x + 2 =0. Created by dosmailov71. algebra-ru

3) Решите уравнения: (1+1+1+1)б.в) 2x² - 3x - 2 = 0.г) 4x²

dosmailov71 @dosmailov71

July 2022 1 5 Report

3) Решите уравнения: (1+1+1+1)б.

в) 2x² - 3x - 2 = 0.

г) 4x² - 9x + 2 =0

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gazizovaaruazhan885

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В)2x^2+x-4x-2=0
x*(2x+1)-2(2x+1)=0
(2x+1)*(x-2)=0

2x+1=0
x-2=0

x1=-0,5;x2=2

г)4х^2-9х+2=0
4х^2-х-8х+2=0
х*(4х-1)-2(4х-1)=0

(4х-1)*(х-2)=0

4х-1=0
х-2=0

х1=0,25. х2=2

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