Задача Задача №674784
А
А
(3-х)(9+3+х²)-2х+х³ > 7х+7 27 - 9x + 9 + 3x² - 2x + x³ > 7x + 7 27 - 9x + 9 + 3x² - 2x + x³ - 7x - 7 > 0 x³ + 3x² - 18x + 29 > 0
(3-х)(9+3+х²)-2х+х³ > 7х+7 27 - 9x + 9 + 3x² - 2x + x³ > 7x + 7 27 - 9x + 9 + 3x² - 2x + x³ - 7x - 7 > 0 x³ + 3x² - 18x + 29 > 0
