(2m+1)^3-(2m-1)^3 (c-3d)^3+12cd (c-3d) Упростите

Question

(2m+1)^3-(2m-1)^3 (c-3d)^3+12cd (c-3d)
Упростите

Answer 1

1)2(12m^2+1)
2)(c^2+6cd+9d^2)(c-3d)

Comments

ясно

---

щас исправлю