помогите !!!!!!!!!!

(c² - 2c)/(c - 4) - (16 - 6c)/(4 - c) = (c² - 2c)/(c - 4) + (16 - 6c)/(c - 4) = (c² + 16 - 8c)/(c - 4) = (c - 4)²/(c - 4) = c - 4, если c = 1,175, то:
1,175 - 4 = -2,825.