Posted by Derek on Sunday, September 7, 2008 at 5:29pm.
12 x + 25 x + 12 = 0
well, 16 and 9 make 25 so I will try combinations of 3 and 4
(3x+4)(4x+3) =0
3x = -4
and
4x = -3
then get the two values of x
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