SOLUTION: Help please I am trying to figure out how to factor this to get the difference of two cubes: 125-27z^3 Thank you!!!tHANK YOU!!

SOLUTION: Help please I am trying to figure out how to factor this to get the difference of two cubes: 125-27z^3 Thank you!!!tHANK YOU!!

Algebra.Com

Question 87767: Help please
I am trying to figure out how to factor this to get the difference of two cubes:
125-27z^3 Thank you!!!tHANK YOU!!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
factor this to get the difference of two cubes:
125-27z^3
----------
5^3 - (3z)^3
= (5-3z)(5^2 + 5*(3z) + (3z)^2)
= (5 -3z)(25 + 15z + 9z^2)
======================
Cheers,
Stan H.
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