Предмет: Алгебра, автор: Аноним

решите уравнение x(x-1)-x(x-3)=12
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Ответы

Автор ответа: simonvalentain230
1

Ответ:

x= -3

Объяснение:

x(x-1)-x(x-3)=12

x2-1x-x2-3x=12

x2-x2-1x-3x=12

-4x=12

x=-3

Автор ответа: kkk0825
0

Ответ:

х ²-х-х²+3х=12

2х=12

х=12÷2

х=6

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