X2 5x 6 x 3. 6(X+5)+X=2. X2-5x+6 0. (X-5)-(2x+6)=3x+5. X^2-5x+6/x-2. 6 2x 6 -2x 2. -X²-2x-3 при x >= -2. -x-5 при x<-2. 2x4+3x3-10x2-5x-6 решение. X + 2x + x + 2x = 6x. |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