anonymous
  • anonymous
HELP PLEASE!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
\[\frac{ 12 }{ x-5 }+\frac{ 2 }{ x+4 }\]
jim_thompson5910
  • jim_thompson5910
how far did you get?
anonymous
  • 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.

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jim_thompson5910
  • jim_thompson5910
in this case, the LCD is (x-5)(x+4)
anonymous
  • anonymous
oh how did you get that?
jim_thompson5910
  • jim_thompson5910
just multiply the denominators and divide by 1 (the GCF)
anonymous
  • anonymous
Ah ok THANK YOU!!!!!^-^
jim_thompson5910
  • jim_thompson5910
you're welcome
jim_thompson5910
  • jim_thompson5910
tell me what answer you get
anonymous
  • anonymous
idk if its right thoe: \[\frac{ 14 }{ (z-5)(z+4) }\]
jim_thompson5910
  • jim_thompson5910
that's incorrect
anonymous
  • anonymous
I got two answers: that one and \[\frac{ 2(7z+19) }{ (z-5)(z+4) }\]
jim_thompson5910
  • jim_thompson5910
that one is correct
jim_thompson5910
  • jim_thompson5910
\[\large \frac{ 12 }{ x-5 }+\frac{ 2 }{ x+4 }\] \[\large \frac{ 12(x+4) }{ (x-5)(x+4) }+\frac{ 2 }{ x+4 }\] \[\large \frac{ 12x+48 }{ (x-5)(x+4) }+\frac{ 2 }{ x+4 }\] \[\large \frac{ 12x+48 }{ (x-5)(x+4) }+\frac{ 2(x-5) }{ (x+4)(x-5) }\] \[\large \frac{ 12x+48 }{ (x-5)(x+4) }+\frac{ 2x-10 }{ (x-5)(x+4) }\] \[\large \frac{ 12x+48 + 2x-10 }{ (x-5)(x+4) }\] \[\large \frac{ 14x+38 }{ (x-5)(x+4) }\] \[\large \frac{ 2(7x+19) }{ (x-5)(x+4) }\]
anonymous
  • anonymous
Oh THANKS!!! =3
jim_thompson5910
  • jim_thompson5910
np

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