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Автор - volkovapolina24

Log7-3x (9x^2-6x+1) > 2

Ответ

Автор - mila2909
9x²-6x+1>(7-3x)^2
9x²-6x+1>49-42x+9x²
9x²-6x+42x-9x²>49-1
36x>48
x>4/3

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