12x в квадрате +7x+1=0 Срочно!
12x² + 7x + 1 = 0 D = 49 - 4 * 12 * 1 = 49 - 48 = 1 x1=(-7-1)/24 = -8/24 = -1/3 x2 = (-7+1)/24 = -6/24 = -1/4
12x²+7x+1=0 D=49-48=1 x₁=(-7+1):24=-1/4 x₂=(-7-1):24=-1/3