0 3x2 0. X3-2x2+x+3. X2 3x x 3 0. A{X|X^3-3x^2+2x=0}. X^3+2x^2+3x+2=0. X2+3x=4. (X-2)(-2x-3)=0. (X-4)^2. (X-2)^2(X-4)<0. (X2+3x+1)(x2+3x+3)=-1. X3 и x5. X2-5x+6 0. |X2 +x| + 3x – 5 = 0. X^2+2x+4. X2 + 4x+4/x+2. �� ∙ 2 −4????−2 ∙ 4 2????. X2 4x 3 0 решение неравенства