Tìm x, biết: a) (x^2 + 8x)/(x - 2) < 3; b) (5x - 2)/(x - 3) < 2; c) (3x - 1)/(x - 5) < 3; d) (3x - 1)/(3x + 5) < 1
a) x^2 + 8x)/(x - 2) < 3
b) (5x - 2)/(x - 3) < 2
c) (3x - 1)/(x - 5) < 3
d) (3x - 1)/(3x + 5) < 1
e) (2 - 5x)/3 < ( - 6)
f) (x + 1)/(x - 2) < (x + 3)/(x - 4)