КАК РЕШАТЬ УРОВНЕНИЯ!!!
1. 2x^2 + 4x =0 2x(x + 2) = 0 x = 0; x = -2; 2. D = 4 - 4*3*(-8) = 100 sqrt(D) = 10 x1 = (-2-10)/6 = -3 x2 = (-2+10)/6 = 4/3