Răspuns:
E(x)=x(x²-4)-(x-5)•x²-5x+1
E(x)=(x³-4x)-(x³-5x²)-5x+1
E(x)=x³-4x-x³+5x²-5x+1
E(x)=x³(1-1)+5x²+x(-4-5)+1
E(x)=0•x³+5x²+(-9x)+1
E(x)=5x²-9x+1
