Решите уравнение: x1=? х2=? х3=?
121x + 121 - x^3 - x^2 = 0 121 (x+1) - x^2 (x+1) = 0 (121 - x^2) + (x+1) = 0 x+1 = 0 121 - x^2 = 0 x= - 1 121 = x^2 |: V x = pljus/minus 11 otvet: x1 = -1 , x2 = -11 , x3 = 11