Posted by **Meloney** on Wednesday, May 6, 2009 at 5:26pm.

Well we are doing factoring and I don't quite understand this problem:

(x+1)(x-3)=117

I simplified and got:

x^2-3x+x-3=117

x^2-2x-3=117

x^2-2x-120=0

I split the middle term and got:

x^2-12x+10x-120=0

What should I do next? I have no idea how to finish factoring this...

thanks,

meloney

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