- 1. Disequazioni di secondo grado Antonio Bernardo
- 2. $x^2-4x+4>0$; $4x^2-4x+1=0$; $4x^2-12x+9>=0$; $x^2-16>=0$; $-x^2>0$; $x(3x-1)=0$; $3/5 x^2 -2x>0$ Antonio Bernardo
- 3. $x^2+3x+2>0$; $x^2+2x+10>0$; $x^2+4x+50$; $1/2 (x-1)>=x^2-x$ Antonio Bernardo
- 4. $3x^2-12>=0$; $ -2x^2>=0$; $x^2+4x>0$; $x^2+2>0$; $4x-x^2>0$; $x^2-4>0$; $2x^2+5>0$; $x^2+6x+5=0$; $x^2-5x-6>0$ Antonio Bernardo
- 5. $25(4x-1)+(x-5)^2>=0$; $(3x+2)^3>=(3x-2)^3$; $(x-1)/5 +1/3 >(x-2)(x-3)/6$ Antonio Bernardo
- 6. $x-(2x-sqrt(5))(x+sqrt(5))+sqrt(5)>=0$ Antonio Bernardo
- 7. $(1-3x)/5 -(2-x)(2+x)/3 >x-6/5+(1+x^2)/15$ Antonio Bernardo
- 8. $(5+3x^2)/6>=1/4 (3+1/3+2x^2)-(x^2-4)/3$ Antonio Bernardo
- 9. $1/4 x +(3x^2 +10)/3 x+((x+2)^2+2^(-1)x)/6$ Antonio Bernardo
- 10. $3x^2-2bx-b^2>0$ Antonio Bernardo
- 11. $(k-1)x^2-2kx+k+1>0$ Antonio Bernardo
- 12. $(a+2)x^2-(a^2-4)x>=0$ Antonio Bernardo
- 13. $(2-k)x^2+4>0$ Antonio Bernardo
- 14. $x(x-2k)+k(x+1)>4(kx-3)+13-4k$ Antonio Bernardo
- 15. $x^2 /(x^2-1) >=0$ Antonio Bernardo
- 16. $((x+1)^2-4x)/(x^2-6x+12) >0$ Antonio Bernardo
- 17. $(x+3)/(x-2)-(x+1)/(x+2)>1$ Antonio Bernardo
- 18. $1/(X+1)+(X+5)/(1-X^2) > (9X-33)/(4X-4)$ Antonio Bernardo
- 19. $((X^2-2X-15)(3X-2-X^2))/(X^3-6X^2+8X)>0$ Antonio Bernardo
- 20. $(2x-b)/(x+2b)-(b-2x)/(x-b)+3/2>0$ Antonio Bernardo
- 21. $x^3-5x^2+x-5$ Antonio Bernardo
- 22. $x^3+5x^2+8x+4$ Antonio Bernardo
- 23. ${((2x-1)^2>4),(8>2(3-x)^2):}$ Antonio Bernardo
- 24. ${((x^2-5)/2 - (x^2+3)/4 > x+2),(x+2>x^2),(x^3-9x>0):}$ Antonio Bernardo
- 25. ${((x-1)^4 /(2x^2-3x-2) >=0),((-x^3(x+2)^3)/(x^2+4)>=0):}$ Antonio Bernardo
- 26. $|3-3x^2+x|=3(2x+1)$ Antonio Bernardo
- 27. $(x+1)^2-x|1-x|-(x-2)|x+2|=4$ Antonio Bernardo
- 28. $|(x+1)/x|>x$ Antonio Bernardo
- 29. $(x+1)/(|x-4|+1)-(x-1)/|x-3|>1$ Antonio Bernardo