including you:
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 -swf-  Click this to play now
 -exe-  Click this for standalone version (much bigger)
Right mouse button then 'Save Target As...' if you want to save either.

 Instructions  24 December 2007
Factorise the quadratic expression using arrows to change what is in the brackets. Allows you to test and simplify what you have and gives you another try if it's not right.
Gets quite difficult by level 5!!

Updated version improved the look slightly and fixed a few bugs.

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