👤

She considera expresiaE(x)=(2x-3) total partat-(x+1)total partat. a). Descompuneti expresia in prod us due factori primi. b). Aratati can E(-1) esteun patrat perfec

Răspuns :

E(x)=4xpatrat-12x-9-xpatrat-2x-1=3xpatrat-14x-10=>E(-1)=-3+14-10=1care este p.p