Răspunsuri

2014-02-23T18:00:31+02:00
E(x)=(2x+1)la a doua+(x-2)*(x+2)-3x la a doua-14
E(x)=4x la a doua+4x+1+x la a doua-4-3x la a doua-14
E(x)=2x la a doua+4x-17,deci nu poatefi scrisa sub formaE(x)=x la a doua+6x+10