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simplify the expression. 5xy+10y+5x^2-15y-5x(x+y)+5y= 0. ?
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craig105

by craig105 at January 20, 2010

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i don't get it

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JasonBourne

JasonBourne February 06, 2010

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mmmh Its confusing sorry!

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choco

choco March 04, 2010