VA ROG REPEDE DAU COROANA SI 30 PUNCTE
6.

Răspuns:
(2x+1)(x-3)+(x+2)²-3x(x-4) =
= 2x²-6x+x-3+x²+4x+4-3x²+12x =
= 0-6x+x-3+4x+4+12x =
= 0+11x-3+4 =
= 0+11x+1 =
= 11x+1
EVERGREEN