Saturday
April 18, 2015

Homework Help: Algebra

Posted by Ali on Thursday, December 3, 2009 at 11:14pm.

Why does this happen?
A=3 and b=2
A+b=c is the equation.
Multiplying both sides of the equation makes the equation a^2+2ab+b^2 which is equal to a^2+ab-ac=-ab-b^2+bc
Dividing by (a+b-c) we find a=-b or 3=-2
Why?

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