SOLUTION: factor 125x^3+y^3

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Question 71707: factor
125x^3+y^3
Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
factor
125x^3+y^3
What you need to memorize for this is:
highlight%28a%5E3%2Bb%5E3=%28a%2Bb%29%28a%5E2-ab%2Bb%5E2%29%29
%285x%29%5E3%2By%5E3 a=5x and b=y so....
125x%5E3%2By%5E3=%285x%2By%29%28%285x%29%5E2-%285x%29%28y%29%2B%28y%29%5E2%29
highlight%28125x%5E3%2By%5E3=%285x%2By%29%2825x%5E2-5xy%2By%5E2%29%29
Happy Calculating!!!!