I need help with simplifying this equation :P i totally dont remember the steps :P
its in an attachment

- anonymous

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- Pleasehelpme

whats the equation

- anonymous

its not letting me uplaod hold on a sec :)

- anonymous

here :)

##### 1 Attachment

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- anonymous

can u see it ok?

- yuki

yep

- yuki

remember that when you change a division into a multiplication you have to flip the number ?

- anonymous

Yep. so u would do that to the the second equation?

- anonymous

reciprocal or something?

- yuki

yeah, on the second term
so it would look like
(3x+12)/(4x-18 * (x-3)/(x+4)

- anonymous

alright.

- yuki

when you factor out the common factors from the left rational expression, what do you get?

- anonymous

Arggghhh so hard to solve in that typed format :P hold on

- yuki

what does 3x+12 factor into?

- yuki

are you asking me what it is ?

- yuki

nvm the "are you ~" part

- 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

Hmmmm i think the answer is A maybe C do u agree? or did it not attach that part :P

- yuki

3x+12 factors into 3(x+4), so it cancels with the denominator of the right side of the rational expression

- anonymous

right.

- 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

so it is C then...

- yuki

the uhhuh looks right

- anonymous

lol so u like my labels... ^^

- yuki

oops

- anonymous

lol and okie dokie :P totally off on that one

- yuki

it's the yep, sorry I didn't look at it carefully

- anonymous

woo hoo! thats the one i thought it might be!!! :)

- 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

hmmm so the answer to this one i will attach them would be A?

- anonymous

and alright i see! :)

- anonymous

##### 4 Attachments

- yuki

hoot would be the answer

- yuki

because \[x^2-16 = (x+4)(x-4)\]

- yuki

only (x-4) divides out

- 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

It would be YA right? :P im a little lost on this concept :p

- yuki

this one you cannot cancel anything, so you do long division

- yuki

are you comfortable with it?

- anonymous

Not rly :P never been very good at it :P

- yuki

give me a couple of min to show you how it works,
I cannot type it so I will upload a file

- anonymous

alright :) thanks a bunch!!

- yuki

this is the first step

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- yuki

this is the next step

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- anonymous

alright that looks familiar and simple enough i get it so far :)

- anonymous

YES!!!!! i was rite!! :D

- anonymous

im pretty sure at least lol :) u are helping me wonders!! :D

- anonymous

Meaning it would be ya correct?

- yuki

the last step

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- anonymous

hmmmm alright then!! :D i was right!! woooo !!! u just made my day! :)

- yuki

I'm glad I was of help

- yuki

good luck.

- anonymous

:)

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