Răspuns :
x³+2x²-x-2=x²(x+2)-1(x+2)=(x²-1)(x+2)=(x+1)(x-1)(x+2)
x^2 ( x + 2 ) - (x + 2 ) = ( x + 2 ) ( x^2 - 1 ) = ( x + 2 ) ( x + 1 ) ( x - 1 )
Sper ca ai inteles :) .
Sper ca ai inteles :) .