SOLUTION: Could you please help me factor this problem completely? 3b^3-81d^3 Thank you!!

Question 204279: Could you please help me factor this problem completely?
3b^3-81d^3
Thank you!!
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Factor completely:
First, factor out a 3.
Now do you see that the parentheses contain the difference of two cubes?
The difference of two cubes can be factored thus:
Applying this to the group in the parentheses, we get:

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