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Topic: Factoring
Replies: 52   Last Post: Jan 16, 2012 8:23 PM

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LudovicoVan

Posts: 3,201
From: London
Registered: 2/8/08
Re: Factoring
Posted: Jan 8, 2012 8:36 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

"John Smith" <invalid@invalid.invalid> wrote in message
news:jedg18$6c8$1@speranza.aioe.org...

> A student asked me how to factor x^3-3x^2-4x+12

AFAIK, some guesswork is in order, but it has to do with gruping factors:

x^3-3x^2-4x+12 = x^2(x-3)-4(x-3)

-LV




Date Subject Author
1/8/12
Read Factoring
Marnie Northington
1/8/12
Read Re: Factoring
LudovicoVan
1/8/12
Read Re: Factoring
Marnie Northington
1/8/12
Read Re: Factoring
Peter Webb
1/8/12
Read Re: Factoring
Marnie Northington
1/9/12
Read Re: Factoring
Peter Webb
1/9/12
Read Re: Factoring
Pubkeybreaker
1/9/12
Read Re: Factoring
Marnie Northington
1/9/12
Read Re: Factoring
Peter Webb
1/10/12
Read Re: Factoring
Pubkeybreaker
1/10/12
Read Re: Factoring
Peter Webb
1/9/12
Read Re: Factoring
Bart Goddard
1/9/12
Read Re: Factoring
Virgil
1/9/12
Read Re: Factoring
Marnie Northington
1/9/12
Read Re: Factoring
Pubkeybreaker
1/9/12
Read Re: Factoring
Marnie Northington
1/9/12
Read Re: Factoring
Pubkeybreaker
1/9/12
Read Re: Factoring
Marnie Northington
1/9/12
Read Re: Factoring
William Hale
1/9/12
Read Re: Factoring
Shmuel (Seymour J.) Metz
1/9/12
Read Re: Factoring
Marnie Northington
1/9/12
Read Re: Factoring
Marnie Northington
1/9/12
Read Re: Factoring
Virgil
1/9/12
Read Re: Factoring
Marnie Northington
1/9/12
Read Re: Factoring
Peter Webb
1/9/12
Read Re: Factoring
Marnie Northington
1/10/12
Read Re: Factoring
Shmuel (Seymour J.) Metz
1/10/12
Read Re: Factoring
Pubkeybreaker
1/10/12
Read Re: Factoring
Marnie Northington
1/11/12
Read Re: Factoring
Pubkeybreaker
1/11/12
Read Re: Factoring
Marnie Northington
1/11/12
Read Re: Factoring
Pubkeybreaker
1/11/12
Read Re: Factoring
Marnie Northington
1/11/12
Read Re: Factoring
Pubkeybreaker
1/11/12
Read Re: Factoring
Dave L. Renfro
1/11/12
Read Re: Factoring
Pubkeybreaker
1/11/12
Read Re: Factoring
Marnie Northington
1/11/12
Read Re: Factoring
Marnie Northington
1/11/12
Read Re: Factoring
Dave L. Renfro
1/11/12
Read Re: Factoring
Marnie Northington
1/11/12
Read Re: Factoring
Dave L. Renfro
1/11/12
Read Re: Factoring
Marnie Northington
1/12/12
Read Re: Factoring
Dave L. Renfro
1/12/12
Read Re: Factoring
Marnie Northington
1/12/12
Read Re: Factoring
Dave L. Renfro
1/12/12
Read Re: Factoring
Marnie Northington
1/13/12
Read Re: Factoring
Dave L. Renfro
1/12/12
Read Re: Factoring
Frederick Williams
1/12/12
Read Re: Factoring
Marnie Northington
1/12/12
Read Re: Factoring
Robert H. Lewis
1/12/12
Read Re: Factoring
Marnie Northington
1/12/12
Read Re: Factoring
r3769@aol.com
1/16/12
Read Re: Factoring
amzoti

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