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Mathematics 22 Online
OpenStudy (allieeslabae):

Help?

OpenStudy (allieeslabae):

OpenStudy (haleyelizabeth2017):

http://prnt.sc/a8emgy set it up like so

OpenStudy (haleyelizabeth2017):

\[\frac{n-3}{n^2+6n+8}\times\frac{n+2}{n+1}\]you need to get a common denominator next, and you do this by doing something like \[\frac{(n-3)(n+1)}{(n^2+6n+8)(n+1)}\times\frac{(n+2)(n^2+6n+8)}{(n^2+6n+8)(n+1)}\]

OpenStudy (allieeslabae):

dang theres more?

OpenStudy (haleyelizabeth2017):

Yes haha you need to simplify XD

OpenStudy (allieeslabae):

well which one of those answer choices look the most sufficient to you? bwahah

OpenStudy (haleyelizabeth2017):

A lot of work, right?

OpenStudy (allieeslabae):

I was debating between A AND b.

OpenStudy (haleyelizabeth2017):

LOL Let's just do this the right way XD

OpenStudy (haleyelizabeth2017):

Don't be lazy amiga ;)

OpenStudy (allieeslabae):

No I really dont know how to simplfy dont make me feel dumb. Im not even kidding.

OpenStudy (haleyelizabeth2017):

I never meant you personally x'D I'd help you

OpenStudy (allieeslabae):

BWHAAH If I knew I wouldnt be asking. promise.

OpenStudy (allieeslabae):

So how shall we simplify?

OpenStudy (haleyelizabeth2017):

One moment lol

OpenStudy (allieeslabae):

I think I got it. !!!!!!!

OpenStudy (haleyelizabeth2017):

LOL really?

OpenStudy (allieeslabae):

No. A?

OpenStudy (haleyelizabeth2017):

I messed up somewhere, because the numerator cannot be factored ;-;

OpenStudy (allieeslabae):

Oh lord thats a lot of work. Im going to go with my gut and say its A. Ready to move to the next one?!

OpenStudy (haleyelizabeth2017):

OMG...I added rather than multiplying! OMG

OpenStudy (allieeslabae):

omfg.. bwahaha no you're lying...

OpenStudy (haleyelizabeth2017):

Ignore all that I wrote... lol

OpenStudy (haleyelizabeth2017):

\[\frac{n-3}{n^2+6n+8}\times\frac{n+2}{n+1}\]\[=\frac{(n-3)(n+2)}{(n+4)(n+2)(n+1)}\] The n+2s cancel leaving us with \[\frac{(n-3)}{(n+4)(n+1)}~or~\frac{(n-3)}{(n^2+5n+4)}\]

OpenStudy (haleyelizabeth2017):

I made it complicated because I forgot we were supposed to add rather than multiply until I looked at the original problem again >.>

OpenStudy (haleyelizabeth2017):

I mean I forgot we were supposed to multiply rather than add...oh my, I'm all sorts of backwards today

OpenStudy (allieeslabae):

Thank you!

OpenStudy (haleyelizabeth2017):

You're so very welcome!

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