Răspuns :
-3X³-X²+2=(X+1)(-3X²+2X-2)
X+1=0⇒ X1=-1
-3X²+2X-2=0 (-1)
3X²-2X+2=0
Δ=4-4·3·2=4-24=-20
SOL.ESTE X=-1
X+1=0⇒ X1=-1
-3X²+2X-2=0 (-1)
3X²-2X+2=0
Δ=4-4·3·2=4-24=-20
SOL.ESTE X=-1