Bonjour
(3/5x - 1) (8/3x + 2) = 0
3/5x - 1 = 0 ou 8/3x + 2 = 0
3/5x = 1 8/3x = - 2
3x = 5 8x = - 6
x = 5/3 x = - 6/8 = - 3/4