(c-d)^3= (p-q)^3= (3-b)^3= (4+x)^3= помогите срочно
(c-d)^3=с³-3с²d+3cd²-d³ (p-q)^3=p³-3p²q+3pq²-q³ (3-b)^3=27-27b+9b²-b³ (4+x)^3=64+48х+12х²+х³