Question

Solve it: (-23)^3+15^3+8^3=3 (-23)×15×8

Answer 1

-A2A-

2 + 3 = 2*(2-1+3) = 8
3 + 7 = 3*(3-1+7) = 27
4 + 5 = 4*(4-1+5) = 32
5 + 8 = 5*(5-1+8) = 60
6 + 7 = 6*(6-1+7) = 72

So, 7 + 8 = 7*(7-1+8) = 98