Thread: Don't know how to factor this
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Old November 10th, 2008, 06:27 AM
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Quote:
Originally Posted by Alienis Back View Post
Just give me some guidelines. I don't want you to give me the answer unless it is necesary so I can understand.
1. All your considerations and calculations are OK.

2. Use the property: x^3-1=(x-1)(x^2+x+1)

3. Keep in mind that 8a^3 = \left(2a\right)^3
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