anonymous
  • anonymous
x^2 - 1/9x all over x^2 + 2x + 1/ 3x^2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
|dw:1346439066411:dw|
anonymous
  • anonymous
start by factoring
anonymous
  • anonymous
I"m running out of time and stressing out!

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ParthKohli
  • ParthKohli
Then you should use WolframAlpha. http://wolframalpha.com
anonymous
  • anonymous
can't just give you the answer sorry you have to at least try
anonymous
  • anonymous
I'd actually recommend using\[\frac{\frac{a}{b}}{\frac{c}{d}} = \frac{ad}{bc}\] first, and then factoring.
anonymous
  • anonymous
I forgot that step thanks now I know an easier why
anonymous
  • anonymous
But it doesn't really matter, commutative property and whatnot..
radar
  • radar
|dw:1346439505981:dw|
radar
  • radar
Start factoring and canceling.
radar
  • radar
If you will do the numerator, I will do the denominator.
anonymous
  • anonymous
I got a numerator of higher degree than denominator, so I converted it to a mixed number. I don't think that's necessary though; usually with rational expressions, leaving everything in factored form as improper fractions is more convenient.
radar
  • radar
@lindseyharrison , the ball is in your court.
anonymous
  • anonymous
5x^4/4y^3
radar
  • radar
|dw:1346439990509:dw|
radar
  • radar
|dw:1346440061907:dw|
radar
  • radar
|dw:1346440122163:dw| What do you have left?
radar
  • radar
|dw:1346440255206:dw|
anonymous
  • anonymous
a) 4y^3/5x^4 b) 4y^4/5x^3 c) 5x^4/4y^3 d) 5x^3/4y^4
anonymous
  • anonymous
those are my options
radar
  • radar
You are looking at the wrong answers. There is not a y in you problem. Please look at the problem you have entered in the problem box!
anonymous
  • anonymous
well that explains a lot lol
anonymous
  • anonymous
x(x+1/3(x-1) 3x(x+1)/(x-1) x(x-1)/x(x+1) (x-1)/3x(x+1)
anonymous
  • anonymous
So it's C!
radar
  • radar
I don't agree with C, but then again I don't agree with a lot of things. You will notice that C can be further simplified by a division of x to both numerator and denominator.
radar
  • radar
Are you sure that you copied D. correctly?
anonymous
  • anonymous
Yeah, there's a typo in there.
radar
  • radar
I think you are right @CliffSedge
radar
  • radar
I really don't see a correct answer lol.
radar
  • radar
Or on the other hand there may be an error in the solution???
radar
  • radar
If D were: x(x-1)/3(x+1) It would be more acceptable.

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