Răspunsuri

2014-05-18T14:41:19+03:00
E(1)=1-4+a+b=-3
a+b=0
E(-1)=-1-4-a+b=7
-a+b=12
din cele doua avem
2b=12
b=6
a=-6
E(x)=x³-4x²-6x+6