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January 28, 2015

January 28, 2015

Posted by **JULIE** on Tuesday, October 11, 2011 at 10:01pm.

- trig -
**Reiny**, Tuesday, October 11, 2011 at 10:53pmsolve:

(3x)^2 + (3x-1)^2 = (4x+1)^2

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