Решите,пожалуйста. 1)х3+8х2+5х-50=0
X^3 + 8x^2 + 5x - 50 = 0 x^3 - 2x^2 + 10x^2 - 20x + 25x - 50 = 0 (x - 2)(x^2 + 10x + 25) = 0 (x - 2)(x + 5)^2 = 0 x1 = 2; x2 = x3 = -5