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mineralberd
@mineralberd
July 2022
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Решите уравнение: 3(х+2) ² - 2х - 4=0
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kasapraksana1
Ответ: x1=1/3;x2=-2
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elizabet1912
X1=0 x2=-4 такой ответ?
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elizabet1912
3(x^2+2x+4)-2x-4=0 3x^2+6x+12-2x-4=0 3x^2+4x+8=0 3x2+4x=-8 x(3x+4)=-8 x1=0 3x=-8-4 x2=-4
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