4/(7·x - 3) < 3/(3 - 2·x)
4/(7·x - 3) - 3/(3 - 2·x) < 0
(29·x - 21)/((2·x - 3)·(7·x - 3)) < 0
Segno N(x):
----------------(21/29)++++++++>x
Segno D(x):
++++(3/7)---------------(3/2)+++>x
Segno Rapporto:
-------(3/7)+++(21/29)---(3/2)+++>x
Soluzione:
x < 3/7 ∨ 21/29 < x < 3/2