SOLUTION: Factor completely: 8z^3+125

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Question 316985: Factor completely:
8z^3+125

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given expression.


Rewrite as . Rewrite as .


Now factor by using the sum of cubes formula. Remember the sum of cubes formula is


Multiply

-----------------------------------
Answer:

So factors to .

In other words,

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