Предмет: Алгебра, автор: GGtolik

(5-x)*(x+3)=-x^2 +3

Ответы

Автор ответа: f4536p
0

Ответ:

x=-6

Объяснение:

5x-x^{2}+15-3x=-x^{2}+3

2x=-12

x=-6

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