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April 19, 2014

Homework Help: non permissable values

Posted by Tara on Friday, February 22, 2013 at 11:01am.

i have a hard time understanding the non permissable values could someone please explain. I have solved the following equations but need help determining the values. Also if you could check to see if i did them right it would be alot of help

1. a2+7a+12/a2+4a+4 x a2-a-6/a2-9
(Ans)a+4/a+2

2.4/y2+5y+6 - 5/y2-y-12
(ans) -(y-26)/(y+2)(y+3)(y-4)

any number following a letter is to the power of

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