# [LON-CAPA-users] factoring problems, source code

**Ed Kashy
**
lon-capa-users@mail.lon-capa.org

*Thu, 03 May 2007 08:46:39 -0400*

Hi Jim,
The problem below is published as 'open source' and might be of help.
Ed Kashy
/res/msu/kashy/physicsLib02/01_Math_1/FactorQuadratic.problem
James Sullivan wrote:
>* I'm looking for some guidance for algebra problems involving factoring. What kind of response type are people generally using for factoring type problems. For example, factor x^2+13x+36
*>*
*>* I can see using string response, although it would require checking multiple permutations of acceptable answers. So, what are others using for this type of problem? I found lots of problems involving factoring in /res, but it would really help me to see the source code for problems. Any pointers would be much appreciated.
*>*
*>* Thanks,
*>* Jay
*>*
*>*
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