а) 2x² + 12x - 14 = 2(x² + 6x - 7) = 2(x + 7)(x - 1)
б) 3x² + 5x - 2 = 3(x² + 5/3x - 2/3) = 3(x + 2)(x - 1/3)
а) 2x² + 12x - 14 = 2(x² + 6x - 7) = 2(x + 7)(x - 1)
б) 3x² + 5x - 2 = 3(x² + 5/3x - 2/3) = 3(x + 2)(x - 1/3)