Răspuns :
Pai dai factor comun pe 4x-3 si rezulta...
(4x-3)(2x-1-3+4x)
(4x-3)(6x-4)
(4x-3)(2x-1)-(4x-3)(3-4x ) =
(4x-3)(2x-1)-(4x-3)(-3+4x)=( se repeta paranteza ( 4x-3 ) )
(4x-3)-(2x-1)
(4x-3)(2x-1)-(4x-3)(-3+4x)=( se repeta paranteza ( 4x-3 ) )
(4x-3)-(2x-1)