Предмет: Алгебра, автор: Аноним

помогите срочно даю 20 балов​

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Ответы

Автор ответа: Sahib03
0

Ответ:

х1= -21, х2=21

Объяснение:

Упростили и сделали 1 с (-),а 2 с (+) и данное уравнения имеет 2 решения

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