Решите неравенства:
1) (y-2)(y+3)-(y-2)^2<= 6y-11;
2) (y+3)(y-9)-(y+4)^2>=5-13y;
3) (3x+2)^2-(4-3x)^2<37x+14;
4) (5x+2)^2-15>(4x-1)^2+9.