Question

4с^2-4с+1-49 разложить на множители

Answer 1

4c² - 4c + 1 - 49 = (4c² - 4c + 1) - 49 = (2c - 1)² - 7² = (2c - 1 + 7)(2c - 1 - 7) =
= (2c + 6)(2c - 8) = 4(c + 3)(c - 4)