👤

Descompuneti in factori :
2x(x-1)-3(x-1)
3a(a-b)+2b(b-a)
2x(y-2)-3y(2-y)-y+2


Răspuns :

(x-1)(2x-3)
(a-b)(3a+2b)
(y-2)(2x-2y)+2