1 ВАРИАНТ 6. Разложите на множители: 16b²-(b+4)²

Using the difference of squares formula (a² - b² = (a-b)(a+b)): (4b)² - (b+4)² = (4b - (b+4))(4b + (b+4)) = (4b - b - 4)(4b + b + 4) = (3b - 4)(5b + 4)