SOLUTION: a=5 b=-21 c=72 Question: (a-b)(a2+ab+b2)

Algebra ->  Expressions -> SOLUTION: a=5 b=-21 c=72 Question: (a-b)(a2+ab+b2)      Log On


   

Question 727280: a=5
b=-21
c=72
Question:
(a-b)(a2+ab+b2)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
(a-b)(a2+ab+b2)=a3+b3=5^3-(-21)^3=9386