Răspunsuri

2014-02-16T15:15:09+02:00
4x-1= (3x/x+1)    +   (5/x)   ( prima se amplifica cu x iar a 2 a cu x+1)
4x-1=3x²/x²+x +5x+1/x²+x
4x-1=3x²+5x+1/x²+x (prima o amplifici cu x²+x)
4x³-4x²-x² -x =3x²+5x+1
4x³-x=8x²+5x+1
4x³=8x²+6x+1
Nu da bine ! (Sper ca nu am gresit )