Răspunsuri

2014-04-15T15:03:17+03:00
(x²-x+2)-x²(1-2x)=(x²+2)²-3(x+1)
x²-x+2-x²+2x³=x⁴+4+4x²-3x-3
2x³-x+2=x⁴+4x²-3x+1
0=x⁴-2x³+4x²-2x-1
0=x³(x-2)+2x(x-2)-1
0=(x³+2x)(x-2)-1
Si de aici nu mai ai ce sa ii faci :-??