Решить уравнение: (2x+1)(x+2)/x-3=0. Created by klimenkol21. algebra-ru

ОДЗ: D=25-4*2*2=9Ответ:

x-3=0...

June 2022 1 7 Report

Решить уравнение:
(2x+1)(x+2)/x-3=0

Answers & Comments

adel942 ОДЗ: $x \neq 3

$
$(2x+1)(x+2)=0
$
$
2 x^{2} +3x+x+2=0$
$2 x^{2} +5x+2=0$
D=25-4*2*2=9
$x_{1} = \frac{-5+3}{4} =- \frac{1}{2}$
$x_{2} = \frac{-5-3}{4} =-2$
Ответ: $- \frac{1}{2} ; -2$

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2x-2...

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klimenkol21 August 2022 | 0 Ответы

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klimenkol21 August 2022 | 0 Ответы

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klimenkol21 August 2022 | 0 Ответы

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klimenkol21 August 2022 | 0 Ответы

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Answer

Answers & Comments

2x-2...

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2x-2...

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