X3 5x 6 0. (X2+3x+1)(x2+3x+3)=-1. X3 и x5. X2-5x+6 0. |X2 +x| + 3x – 5 = 0. |Х-4|<|3x|. 2x^2+2x^2. 3-Х/3=Х/2. ( X1 + 2x2 + 4x3 - 3x4 = 0 3x1 - 5x2 6x3 - 4x4 - 0 4x1 + 5.x3 - 2x3 + 3x4 0 3x1 + 8.x3 + 24x3 - 19.x4 - 0. X_X 2. X^2+2x+4. 2^X=3^X. (X-4)^2. (X+1) (X+2) (X+3) (X+6) =168x в квадрате