Răspunsuri

2014-04-14T13:07:26+03:00
Vine facuta la prima distributivitatea=2(4x-16x²+1-4x)+(16x²-2·4x·3x+9x²)+(6+8x)=
=2(16x²+1)+(16x²-24x+9x²)+6+8x=
=32x²+2+25x²-24x+6+8x=57x²-16x+8