Question

Zapisz w postaci sumy algebraicznej:
(x+4)^3=
(x^4-5x^2+25)(x^2+5)=
(x^2-6)(x^4+6x^2+36)=

Answer 1

(x+4)^3=x^3+3x^2*4+3x*4^2+4^3=x^3+12x^2+48x+64
(x^4-5x^2+25)(x^2+5)=x^6+125
(x^2-6)(x^4+6x^2+36)=x^6-216