6 x2 4x 3. X_X 2. X^2+2x+4. 2^X=3^X. (X-4)^2. 3/X2-2x 2x-4/x. 2x(x2+8x-3). (-X-3)(X-3)+X(X+6). X^4-4x^3+6x^2-4x+1=0. 3(X-2)=X+2. (X-3)(X+3). (2x-3)(2x+3). 7x 10y 5 4x 1/3 5x. 2x+7y=14. 4x-5y=20 система. 2х+7y=16 4x-7y=10. 2x-7y/y =3. X^3+6x^2=4x+24. X2-5x-24