Descompuneți in factori:
![Descompuneți In Factori class=](https://ro-static.z-dn.net/files/dab/11cad92acd9ffb612f47861950b676d0.png)
Răspuns:
Explicație pas cu pas:
b) (9x²-6xy+y²)+(3x-y)=((3x)²-2·3x·y+y²)+(3x-y)=(3x-y)²+(3x-y)=(3x-y)(3x-y+1).
c) (5b-4y)+(25b²-16y²)=(5b-4y)+((5b)²-(4y)²)=(5b-4y)+(5b-4y)(5b+4y)=(5b-4y)(1+5b+4y).