SOLUTION: For such an easy looking problem I seem to be having a lot of trouble with it I need to factor 64 + a^3 completely. Any help given would be much appreciated, thanks.

Algebra ->  Equations -> SOLUTION: For such an easy looking problem I seem to be having a lot of trouble with it I need to factor 64 + a^3 completely. Any help given would be much appreciated, thanks.      Log On


   

Question 306797: For such an easy looking problem I seem to be having a lot of trouble with it I need to factor 64 + a^3 completely.
Any help given would be much appreciated, thanks.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use this formula for the sum and difference of two cibes,
a%5E3+%2B+b%5E3=%28a%2Bb%29%28a%5E2-ab%2Bb%5E2%29
a%5E3-b%5E3=%28a-b%29%28a%5E2%2Bab%2Bb%5E2%29
In your case, a=a, b=4.