(3a-1)^3-27a^3+5 при a=-1;0;1

Question

(3a-1)^3-27a^3+5 при a=-1;0;1

Answer 1

1) -4^3 + 27 + 5 = -64 + 32 = - 32
2) -1^3 - 0 + 5 = -1 + 5 = 4
3) 2^3 - 27 + 5 = - 27 + 13 = - 14