SOLUTION: Hi, I'm having trouble solving this: Factor the polynomial completely. 54a^3b - 16b^4 Thanks.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Hi, I'm having trouble solving this: Factor the polynomial completely. 54a^3b - 16b^4 Thanks.      Log On


   

Question 332382: Hi,
I'm having trouble solving this:
Factor the polynomial completely.
54a^3b - 16b^4
Thanks.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
54a^3b - 16b^4
= 2b%2A%2827a%5E3+-+8b%5E3%29
27a%5E3+=+%283a%29%5E3
8b%5E3+=+%282b%29%5E3
Can you finish it?