SOLUTION: i can factor most of them down i just cant get this one. 54b+2a^3b

Question 153140: i can factor most of them down i just cant get this one.
54b+2a^3b
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
I'm going to turn it around:
2a^3b + 54b
= 2b(a^3 + 27)
The 2nd factor is the "sum of squares" which factors as (a+b)(a^2-ab+b^2)
= 2b(a+3)(a^2-3a+9)
========================
Cheers,
Stan H.
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