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September 20, 2014

September 20, 2014

Posted by **rome** on Friday, May 29, 2009 at 1:27am.

thats is 21 to the 2 power thank you for your help

- algebra -
**PC**, Friday, May 29, 2009 at 1:47amI assume you want the given expression factorized.

First take out the common factor of -3 in all the terms to get

-21x^2 +6x-12

=-3(7x^2-2*x+4)

Then see if you can factorize the expression in brackets. If not, the result will be as shown above.

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