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Mathematics 11 Online
OpenStudy (anonymous):

Help!!! will give medal. Divide VVVV

OpenStudy (anonymous):

OpenStudy (anonymous):

Choices

OpenStudy (tkhunny):

Factor, factor, factor!!

OpenStudy (anonymous):

OK, idk tht

OpenStudy (anonymous):

help @paki

OpenStudy (anonymous):

if u could show me in steps that can help but if u don't want to it ok

OpenStudy (anonymous):

@paki

OpenStudy (tkhunny):

Reciprocal and multiply. That's all there is to it. Please demonstrate.

OpenStudy (anonymous):

I don't know how @tkhunny

OpenStudy (paki):

(x^2+2x+1)(x^2-4) / (x-2)(x^2-1) can you solve it now...

OpenStudy (tkhunny):

I do not believe that. Solve this: \(\dfrac{\dfrac{1}{9}}{\dfrac{1}{3}}\). Go!

OpenStudy (anonymous):

hmmm ok hold on @paki gotta put it on paper

OpenStudy (anonymous):

is it 1/3 @tk

OpenStudy (tkhunny):

How did you do that? Wasn't it "Reciprocal and Multiply"? That is ALL you need to do with these problems. Do EXACTLY the same thing.

OpenStudy (anonymous):

I don't know what that is what are u talking about @tkhunny

OpenStudy (anonymous):

hmm ok can u show me what goes next cuz im not shure @paki

OpenStudy (paki):

@Anonymous16 little wait tkhunny is solving it....

OpenStudy (anonymous):

ok

OpenStudy (tkhunny):

Still don't believe it. \(\dfrac{\dfrac{(x^2+2x+1)}{(x^2-4)}}{\dfrac{(x-2)}{(x^2-1)}} \) Reciprocal and Multiply \(\dfrac{(x^2+2x+1)}{(x^2-4)}\cdot\dfrac{(x^2-1)}{(x-2)} \) How was that different from (1/9)/(1/3)? It wasn't.

OpenStudy (anonymous):

ok so now what I times

OpenStudy (tkhunny):

Factor. \(\dfrac{(x+1)^{2}}{(x+2)(x-2)}\cdot\dfrac{(x+1)(x-1)}{x-2}\) Not sure where this problem started. Looks like we went astray, somewhere. I would expect this to be the other way around. \(\dfrac{(x+1)^{2}}{(x+2)(x-2)}\cdot\dfrac{x-2}{(x+1)(x-1)}\) The, we could rearrange a little: \(\dfrac{x+1}{x+1}\cdot\dfrac{x-2}{x-2}\cdot\dfrac{x+1}{(x+2)(x-1)}\). Since I joined this party in the middle, I may not have started with the right problem. Anyway, that's the idea.

OpenStudy (anonymous):

hmmm ok that is one of the answers that will work,, thank you for showing me @tkhunny

OpenStudy (tkhunny):

You do still have to modify additionally. \(\dfrac{x+1}{x+1} = 1\), away from x = -1.

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