👤

descompuneti in factori :(x+3)²-36 si (2x-1)²-(2x)x(x+1) urgent dau 50puncte+coroana

Răspuns :

((x+3)²-36= (x+3+6)(x+3-6)=(x+9)(x-3)
(2x-1)²-(2x)*(x+1)=4x²-4x+1-2x²-2x=2x²-6x+1