Odpowiedź :
Jeśli u(x)=x^5+2x^3-6x^2+x-3 i v(x)=-2x^5-2x^4+6x^2-2x+3 , to u(x)+v(x)=x^5+2x^3-6x^2+x-3+(-2x^5-2x^4+6x^2-2x+3)=x^5+2x^3-6x^2+x-3-2x^5-2x^4+6x^2-2x+3=-x^5-2x^4+2x^3-x
Jeśli u(x)=x^5+2x^3-6x^2+x-3 i v(x)=-2x^5-2x^4+6x^2-2x+3 , to u(x)+v(x)=x^5+2x^3-6x^2+x-3+(-2x^5-2x^4+6x^2-2x+3)=x^5+2x^3-6x^2+x-3-2x^5-2x^4+6x^2-2x+3=-x^5-2x^4+2x^3-x