Posted by **Amy L** on Monday, April 11, 2011 at 5:25pm.

If x^2+bx+c is factorable and c is negative, then the signs of the last term factors of the binomials are opposite, why?

I x^2+bc+c is factorable and c is positive, then the signs of the last term factors of the binomials are the same, Why?

Am not understanding this. could someone please explain to me.

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