hi how do you factor out (x^3-64)

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- Sep 6th 2008, 01:26 PMchicanala2290factoring
hi how do you factor out (x^3-64)

- Sep 6th 2008, 01:30 PMMatt Westwood

It's a standard equivalence: or something like that (it's from memory, might not be quite correct, multiply it out to check)

take it away maestro - Sep 6th 2008, 01:44 PMKrizalid
Since it's the standard form and you forgot (suppose) how to factor that, proceed as follows:

You can also use the polynomial long division but I think this method is much nicer. :D - Sep 6th 2008, 02:05 PM11rdc11
I understand how you did everything else but how did you get this

I'm probably just missing something obvious but just can't figure it out. - Sep 6th 2008, 02:07 PMKrizalid
What about expanding That yields the LHS.

- Sep 6th 2008, 02:15 PM11rdc11
Oops lol I see what you mean. That was a dumb question on my part.