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OpenStudy (anonymous):
\[\frac{ 12 }{ x-5 }+\frac{ 2 }{ x+4 }\]
jimthompson5910 (jim_thompson5910):
how far did you get?
OpenStudy (anonymous):
Well at first I thought I had to get the LCM right? then I had to get the LCD but I don't know what the LCM is so how do I get the LCD. I know how to solve it its just idk what the LCM is.
jimthompson5910 (jim_thompson5910):
in this case, the LCD is (x-5)(x+4)
OpenStudy (anonymous):
oh how did you get that?
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jimthompson5910 (jim_thompson5910):
just multiply the denominators and divide by 1 (the GCF)
OpenStudy (anonymous):
Ah ok THANK YOU!!!!!^-^
jimthompson5910 (jim_thompson5910):
you're welcome
jimthompson5910 (jim_thompson5910):
tell me what answer you get
OpenStudy (anonymous):
idk if its right thoe: \[\frac{ 14 }{ (z-5)(z+4) }\]
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jimthompson5910 (jim_thompson5910):
that's incorrect
OpenStudy (anonymous):
I got two answers:
that one and
\[\frac{ 2(7z+19) }{ (z-5)(z+4) }\]