(q ^ 2 - 4 * q - 5)/3 = ((- 3) ^ 2 - 4 * (- 3) - 5)/3 = (3 ^ 2 + 4 * 3 - 5)/3 = (9 + 12 - 5)/3 = (21 - 5)/3 = 16/3 = 5 1/3;
ответ: 5 1/3.
(q ^ 2 - 4 * q - 5)/3 = ((- 3) ^ 2 - 4 * (- 3) - 5)/3 = (3 ^ 2 + 4 * 3 - 5)/3 = (9 + 12 - 5)/3 = (21 - 5)/3 = 16/3 = 5 1/3;
ответ: 5 1/3.