Question

Ajutor cu expresia asta, dau 30 de puncte!​

Answer 1

$E(x)=(x^{2} -x+2)^{2} -(x^{2} -x)^{2} -(2x-1)^{2} ,xeR\\E(x)=3, (V)xeR.\\E(x)=x^{4} +x^{2} +4-2x^{3} +4x^{2} -4x -(x^{4 }-2x^{3}+x^{2})-(4x^{2} -4x+1) \\E(x)=x^{4}-2x^{3}+5x^{2} -4x+4 -x^{4 }+2x^{3}-x^{2} -4x^{2}+4x-1\\E(x)=4-1=3$

Answer 2

In atasament gasesti rasp

DACA nu intelegi,intreaba-ma

Taieturile sunt sunt simplificari