SOLUTION: Factor completely 8x cubed

SOLUTION: Factor completely 8x cubed - 1

Question 110325: Factor completely
8x cubed - 1
Answer by praseenakos@yahoo.com(507) (Show Source): You can put this solution on YOUR website!
Question:
Factor completely
8x cubed - 1
Answer:

This can be written as,

==> ----------------------------(1)
which is of the form

Using the identity,
-------(2)

Comparing (1) and (2), we have, a = 2x and b = 1

So,

==>

So the factors are, (2x -1) and (4x^2 + 2x + 1)

Hope you found the explanation useful.

Regards.

Praseena.

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