а) x³-16x = x(x²-16) = x(x-4)(x+4)
б) -6a²-12ab-6b² = -6(a²+2ab+b²) = -6(a+b)²
в) 72x²-2y² = 2(36x²-y²) = 2(6x+y)(6x-y)
а) x³-16x = x(x²-16) = x(x-4)(x+4)
б) -6a²-12ab-6b² = -6(a²+2ab+b²) = -6(a+b)²
в) 72x²-2y² = 2(36x²-y²) = 2(6x+y)(6x-y)