anonymous
  • anonymous
I need help with simplifying this equation :P i totally dont remember the steps :P its in an attachment
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Pleasehelpme
  • Pleasehelpme
whats the equation
anonymous
  • anonymous
its not letting me uplaod hold on a sec :)
anonymous
  • anonymous
here :)
1 Attachment

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anonymous
  • anonymous
can u see it ok?
yuki
  • yuki
yep
yuki
  • yuki
remember that when you change a division into a multiplication you have to flip the number ?
anonymous
  • anonymous
Yep. so u would do that to the the second equation?
anonymous
  • anonymous
reciprocal or something?
yuki
  • yuki
yeah, on the second term so it would look like (3x+12)/(4x-18 * (x-3)/(x+4)
anonymous
  • anonymous
alright.
yuki
  • yuki
when you factor out the common factors from the left rational expression, what do you get?
anonymous
  • anonymous
Arggghhh so hard to solve in that typed format :P hold on
yuki
  • yuki
what does 3x+12 factor into?
yuki
  • yuki
are you asking me what it is ?
yuki
  • yuki
nvm the "are you ~" part
anonymous
  • anonymous
No of course not i am trying to talk to my mother and you and other people all at the same time therefore its hard to concentrate :P so hold on lol sowee about not answering so quickly :P
anonymous
  • anonymous
Hmmmm i think the answer is A maybe C do u agree? or did it not attach that part :P
yuki
  • yuki
3x+12 factors into 3(x+4), so it cancels with the denominator of the right side of the rational expression
anonymous
  • anonymous
right.
anonymous
  • anonymous
these are my choices :)
yuki
  • yuki
4x-18 does factor into 2(2x-9), but you have no term on the numerator that cancels with this , so it is a waste
anonymous
  • anonymous
so it is C then...
yuki
  • yuki
the uhhuh looks right
anonymous
  • anonymous
lol so u like my labels... ^^
yuki
  • yuki
oops
anonymous
  • anonymous
lol and okie dokie :P totally off on that one
yuki
  • yuki
it's the yep, sorry I didn't look at it carefully
anonymous
  • anonymous
woo hoo! thats the one i thought it might be!!! :)
yuki
  • yuki
most rational expressions work exactly the same way, so as long as you can factor polynomials, all you have to do is to see which one divides out and cancel.
anonymous
  • anonymous
hmmm so the answer to this one i will attach them would be A?
anonymous
  • anonymous
and alright i see! :)
anonymous
  • anonymous
yuki
  • yuki
hoot would be the answer
yuki
  • yuki
because \[x^2-16 = (x+4)(x-4)\]
yuki
  • yuki
only (x-4) divides out
anonymous
  • anonymous
Ahhhh alright i can see why i was wong. ^^ oh ok like 1 or two more.. :) So then on this one:
1 Attachment
anonymous
  • anonymous
it would be
anonymous
  • anonymous
It would be YA right? :P im a little lost on this concept :p
yuki
  • yuki
this one you cannot cancel anything, so you do long division
yuki
  • yuki
are you comfortable with it?
anonymous
  • anonymous
Not rly :P never been very good at it :P
yuki
  • yuki
give me a couple of min to show you how it works, I cannot type it so I will upload a file
anonymous
  • anonymous
alright :) thanks a bunch!!
yuki
  • yuki
this is the first step
1 Attachment
yuki
  • yuki
this is the next step
1 Attachment
anonymous
  • anonymous
alright that looks familiar and simple enough i get it so far :)
anonymous
  • anonymous
YES!!!!! i was rite!! :D
anonymous
  • anonymous
im pretty sure at least lol :) u are helping me wonders!! :D
anonymous
  • anonymous
Meaning it would be ya correct?
yuki
  • yuki
the last step
1 Attachment
anonymous
  • anonymous
hmmmm alright then!! :D i was right!! woooo !!! u just made my day! :)
yuki
  • yuki
I'm glad I was of help
yuki
  • yuki
good luck.
anonymous
  • anonymous
:)

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