Предмет: Алгебра, автор: diegokert193

2x²+3x+1/2x+1-x=1
даю 100 баллов ​

Ответы

Автор ответа: Пеппер
1

Ответ:

(0; -1,25)

Объяснение:

2x²+3x+1/2x+1-x=1

2х²+2,5х=0

х(2х+2,5)=0

х=0

2х=-2,5;  х=-1,25

Автор ответа: Alnadya
0

Решение .

Решить уравнение . Приведём подобные члены уравнения .

\bf 2x^2+3x+\dfrac{1}{2}\, x+1-x=1\\\\2x^2+(3+\dfrac{1}{2} -1)\, x=1-1\\\\2x^2+2,5x=0\\\\x\, (2x+2,5)=0\\\\x_1=0\\\\2x+2,5=0\ \ \to \ \ \ 2x=-2,5\ \ ,\ \ x_2=-1,25\\\\Otvet:\ x_1=0\ ,\ x_2=-1,25\ .              

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