anonymous
  • anonymous
3/x-4+2/x+4=14/(x+4)(x-4)
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
well first thing is first.. your gonna wanna multiply both sides by (x+4)(x-4)
anonymous
  • anonymous
why you ask? well think about what happens when you do that. what disappears?
anonymous
  • anonymous
(x+4)(x-4) disappear

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anonymous
  • anonymous
right, the (x+4)(x-4) disappears on the Denominator. now lets first look at the left hnd side of the equation. Multiply both 3/(x-4) and 2/(x+4)by that
anonymous
  • anonymous
whats that give you?
anonymous
  • anonymous
i have to find the value of x
anonymous
  • anonymous
I am aware of this. we are getting there
anonymous
  • anonymous
9
anonymous
  • anonymous
let me check the answer real quick i actually didnt work it out..
anonymous
  • anonymous
ok
anonymous
  • anonymous
eh not what im getting
anonymous
  • anonymous
what is 3/(x-4) * (x-4)*(x+4)
anonymous
  • anonymous
o
anonymous
  • anonymous
and what is 2/(x+4)*(x+4)(x-4)
anonymous
  • anonymous
eh no not 0...
anonymous
  • anonymous
i dont know it
anonymous
  • anonymous
if you have something like x/x that gives you the numerical value of 1. why? because think about it - its saying hey look i have x items to choose from and i have to divide it out in x number of ways.
anonymous
  • anonymous
im not gonna just give you an answer. I dont believe in just giving out answers and letting people skim by their courses... its bullpellet
anonymous
  • anonymous
gonna make sure you understand it first
anonymous
  • anonymous
no i want you to explain it to me
anonymous
  • anonymous
hmm ok. this isnt going to cut it i have a neat program to show you how it works... http://www.scriblink.com/index.jsp?act=phome&roomid=374&KEY=F9379C0246105A3314E20F1DB1DC4206
anonymous
  • anonymous
its an online whiteboard hopefully your internet connection is good enough to handle it
anonymous
  • anonymous
it dont work
anonymous
  • anonymous
ok im on it now

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