SOLUTION: Can you help me in factoring completely: {{{64z^3-1}}}

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Question 164400: Can you help me in factoring completely: 64z%5E3-1
Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
Use the following formula to factor it.
a%5E3-b%5E3=%28a-b%29%28a%5E2%2Bab%2Bb%5E2%29
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64z%5E3-1
=%284z%29%5E3-1%5E3
=%284z-1%29%28%284z%29%5E2%2B%284z%29%2A1%2B1%5E2%29
=%284z-1%29%2816z%5E2%2B4z%2B1%29