а) ( b - 5)² = b² - 10b + 25
б) (4a+c) = 4a + c
в) (6x - y)(6x + y) = 36x² - y²
г) (p²+q)(p²-q) = p^4 - q²
а) ( b - 5)² = b² - 10b + 25
б) (4a+c) = 4a + c
в) (6x - y)(6x + y) = 36x² - y²
г) (p²+q)(p²-q) = p^4 - q²