solving system of equations [newbie]

• Subject: solving system of equations [newbie]
• From: Hugo Coolens
• Date: Wed, 18 May 2011 16:30:30 +0200

What is wrong with following sequence of commands?

eq1:x1=(-b+sqrt(b^2-4*c))/2;
eq2:x2=(-b-sqrt(b^2-4*c))/2;
solut:solve([eq1,eq2],[b,c]);

I expected to see b=-(x1+x2)/2 ... but I just get []

hugo

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