SOLUTION: factor 75a to the 4th B - 27b to the third

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Question 172494: factor
75a to the 4th B - 27b to the third
Answer by stanbon(75887) About Me  (Show Source):
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factor
75a to the 4th B - 27b to the third
----
75a^4b - 27b^3
= 3b(25a^4 - 9b^2)
= 3b(5a^2-3b)(5a^2+3b)
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Cheers,
Stan H.