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Автор - Tatiana243

Решите уравнение:
(5x-1)*-(3x+2)*+(x-1)•(x+1)=x-4

Ответ

Автор - Аккаунт удален
25x²-10x+1-9x²-12x-4+x²-1-x+4=0
17x²-23x+1=0
D=529-68=461
x1=(23-√461)/34
x2=(23+√461)/34

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