Thursday, June 14, 2012

RE: [Madness Writers] Re: [Madness Writers] 6/14/2012 03:34:00 PM

well.. multiply 4 by the x+1 so you have x^2 -1 = 4x + 4.. turn that into x^2 -4x - 5 which is then (x-5)(x+1) = 0.. x = 5 and -1 but you can't divide by 0.
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