(7x-21)(0,5x -0,025)(0, 8x + 0,24) = 0.
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16.10.2020 11:12
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Пошаговое объяснение:
(7x-21)(0,5x -0,025)(0, 8x + 0,24) = 0.
7x-21=0 , х=3 или
0,5x -0,025=0 , х=0,05 или
0, 8x + 0,24= 0 , х=-0,3
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