I forgot how to do these and I don't remember where to begin
Help?
(x-5)/(x^2-4x-5)
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simplifiying expressions? 
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simplifiying expressions?
by EpidemicBeatz on Thu Aug 09, 2012 8:33 pm
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Re: simplifiying expressions? 
by little_dragon on Thu Aug 09, 2012 8:48 pm
EpidemicBeatz wrote:I forgot how to do these and I don't remember where to begin
Help?
(x-5)/(x^2-4x-5)
they show how here: http://www.purplemath.com/modules/rtnldefs2.htm
start by factoring: http://www.purplemath.com/modules/factquad.htm
x^2-4x-5=(x-5)(x+1)
cancel common factors
dont forget x-5=1(x-5)
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little_dragon - Posts: 188
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