Solve the inequalities:
A (x+3)(x−4)<−12
B 1 2/3x+(2x+1)( 1/3x−1)≥0
C (3x−1)^2>1
D 3x(2x+3)<2x(x+4.5)+2
E 18−(x−5)(x−4)≤−x^2