X 6 3 x2 4x 3. 3(X-2)=X+2. (X-3)(X+3). X_X 2. (2x-3)(2x+3). F X 2x6 3x4+x-4. F(X)=(6x3 - 3) *(x + 4). F (X)=2x3+3x2-6x. F(X)=4x^3-6x^2. X^2+2x+4. 2^X=3^X. (X-4)^2. X2+4x-21 0. 3x^2-x^3=0. X2-x-6 0. 0,4(Х-5)20,5(6+X)-2,5. (X^2-6x+9) / (x^2-4x-5) >= 0. X5+5x3-6x2 0