3 * x² - 6 * x + 32 > 0;
3 * x^2 - 6 * x + 32 = 0;
D = b^2 - 4 * a * c = (-6)^2 - 4 * 3 * 32 = 36 - 12 * 32 = 36 - 384 = -348;
