April 21, 2014

Homework Help: math

Posted by Becks on Wednesday, April 29, 2009 at 9:33am.

Simplify and show:


This is my work but its not right.


Then solve for a by setting numerator to zero. so I got this...

a=0, a=1

My book says a=0, or a=6 why didn't I get this?

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