Система двух неравенств 4x-x^3>0 и x^2-8x+7>0

[latex] left { {{4x-x^3 extgreater 0} atop {x^2-8x+7 extgreater 0}} ight. left { {x(x^2-4) extless 0} atop {(x-1)(x-7) extgreater 0}} ight. left { {{x(x-2)(x+2) extless 0} atop {(x-1)(x-7) extgreater 0}} ight. [/latex] xe(-∞;-2)U(0;2)xe(-∞;1)U(7;+∞)Ответ :(-∞;-2)U(0;1)