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April 24, 2014

April 24, 2014

Posted by **zamarra** on Friday, January 11, 2013 at 12:25am.

- algebra -
**drwls**, Friday, January 11, 2013 at 2:01amLet 2a + 3b = d

Then it becomes

d^2 -4cd + 4c^2 = (d-2c)^2

Therefore it factors as

(2a + 3b -2c)^2

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