Решите уравнение: 2х(х+1)+х+1=0. Created by R6i7t2a58. matematika-ru

Решите уравнение: 2х(х+1)+х+1=0...

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Решите уравнение: 2х(х+1)+х+1=0

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Timer01 2х^2 + 2х + х + 1 = 0
2х^2 + 3х + 1 = 0
D = 3^2 - 4 × 1 × 2 = 9 - 8 = 1
√1 = 1
Х1 = -3 - 1 = -4 = -2
2 × 1 2

Х2 = -3 + 1 = -2 = -1
2 × 1 2

Х1 = -2 Х2 = -1

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