(5x+1)(x-3) = (5x+2)(x-2)5x^2 - 14x -3 = 5x^2 - 8x -46x = 1.
x = 1/6.
Ответ: 1/6
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(5x+1)(x-3) = (5x+2)(x-2)
5x^2 - 14x -3 = 5x^2 - 8x -4
6x = 1.
x = 1/6.
Ответ: 1/6