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Someone can help me with this math ex. (Factorization) - Printable Version

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Someone can help me with this math ex. (Factorization) - RyDeR` - 22.02.2010

Hi guys, I'm shaming to ask this simple exercise to you all but here is it. >>


4 3 2 3

12·a - 8·a·x + 12·a·x - 18·a·x

It's a factorization, I'm trying already 10 minutes but still no result. I hope someone can solve this quickly.
_________________________________________________
Here's in a very simple and quick example of a factorization: >>

tr + 7r - st -7s = (tr - st) + (7r - 7s) (I took tr and st together)
= t.(r-s) + 7.(r-s)
= (r-s).(t+7)





Re: Someone can help me with this math ex. (Factorization) - yoko1 - 22.02.2010

Linear thermodynamic systems with memory, you can find the answer here.


http://www.springerlink.com/content/l53pg40r343457v5/


Re: Someone can help me with this math ex. (Factorization) - RyDeR` - 22.02.2010

I know how to solve this, thanks but I don't know why it don't luck.


Re: Someone can help me with this math ex. (Factorization) - Westie - 22.02.2010

Stupid and incorrect.


Re: Someone can help me with this math ex. (Factorization) - RyDeR` - 22.02.2010

Thanks, I know ^
But your solution isn't correct because when I calculate this out I become:>>
Код:
12a^4 - 24a^3x - 12a^3
While it should be this: >>
Код:
12a^4 - 8ax^3 + 12ax^2 - 18ax^3



Re: Someone can help me with this math ex. (Factorization) - Westie - 22.02.2010

Err... what the? Wait a minute.


Re: Someone can help me with this math ex. (Factorization) - RyDeR` - 22.02.2010

Sure, take ur time.


Re: Someone can help me with this math ex. (Factorization) - Westie - 22.02.2010

.


Re: Someone can help me with this math ex. (Factorization) - RyDeR` - 22.02.2010

Quote:
Originally Posted by /^We(stie|z+[e|a
r)$/ ]
EDIT: err, wrong again!
No problem, I have time. Take ur time.


Re: Someone can help me with this math ex. (Factorization) - Westie - 22.02.2010

How about:

Код:
2a( 6a^3 - 13x^2 + 6x^2 )