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At 10:50 -2 is a root because 20 + -14 is positive and it is equal to 6 thus 6 x -2 is -12. -12 + 12 = 0
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Kira

by Kira at January 06, 2010

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ikr?!? i don't get it either

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sjyDavid

sjyDavid March 07, 2010