Réponse :
bonjour
Explications étape par étape :
2 - 3/2x+1
=2/1 - 3/2x+1
=2(2x+1) / 2x+1 - 3/2x+1
=4x+2 / 2x+1 - 3/2x+1
=(4x+2-3) / (2x+1)
=(4x-1) / (2x+1)
4/(3-2x) + 2/(x-1)
=[4*(x-1)] / (3-2x)(x-1) + 2(3-2x) / (3-2x)(x-1)
=(4x-4 + 6-4x) / (3-2x)(x-1)
= 2 / (3-2x)(x-1)
