Question

[30]cube + [-18]cube + [-12]cube

Answer 1

Let a=30 b= -18 and c= -12 a+b+c= 30 +(-18)+(-12)=0 So a^3+b^3+c^3 = 3abc = 3×30×(-18)×(-12) =90×216 =19440

Answer 2

Step-by-step explanation:

27000-5832-1728

27000-7560=19440