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Geek Culture / Simplifying Polynomials and stuff

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AndrewT
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Joined: 11th Feb 2007
Location: MI, USA
Posted: 2nd Mar 2009 01:38
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I know homework help and what not is kinda frowned upon here, but I need some help. I've got this expression that I need to simplify:



But I don't know how. Can anybody help me out here?

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heyufool1
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Location: My quiet place
Posted: 2nd Mar 2009 01:46 Edited at: 2nd Mar 2009 01:49
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Are you not paying attention in class? and what math are you taking?
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AndrewT
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Location: MI, USA
Posted: 2nd Mar 2009 01:52
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Quote: "Are you not paying attention in class?"


I'm paying attention, but there are still some concepts of our current chapter that I'm a little bit unsure of, and I have a test tomorrow and I left my math book in my locker so I kinda ran outta options.

Quote: "and what math are you taking? "


Honors Algebra II.

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AlexI
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Posted: 2nd Mar 2009 02:02
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Time is running out then


http://www.fphosting.co.uk FREE WEB HOSTING, NO Adverts
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Dr Manette
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Location: BioFox Games hq
Posted: 2nd Mar 2009 02:14
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First off, the second fraction should be flipped since you are dividing. Then you multiply across on the top and bottom... I assume you can multiply, but hey maybe I'm just optimistic. You would probably throw yourself off a building if you say the precalc stuff I'm going now.

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AndrewT
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Location: MI, USA
Posted: 2nd Mar 2009 02:18
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Quote: "First off, the second fraction should be flipped since you are dividing. Then you multiply across on the top and bottom... I assume you can multiply, but hey maybe I'm just optimistic. You would probably throw yourself off a building if you say the precalc stuff I'm going now. "


Wooooowwwww, I can't believe I had forgotten about that. Ya, I can multiply. Thanks.

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Jimpo
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Posted: 2nd Mar 2009 02:28 Edited at: 2nd Mar 2009 02:28
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1. Rewrite 25t-25 as 5(5t-5)
2. To divide fractions, flip the second fraction and multiply
3. Cross out like terms on top and bottom

Answer:


Good luck on your test

Dego
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AndrewT
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Location: MI, USA
Posted: 2nd Mar 2009 02:36
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Thanks, that helped as well.

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Venge
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Joined: 13th Sep 2006
Location: Iowa
Posted: 2nd Mar 2009 03:22
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Quote: "You would probably throw yourself off a building if you say the precalc stuff I'm going now."


"The precalc stuff I'm going now."




...Nope.
Course, I'm in real calculus now.

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Xenocythe
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Posted: 2nd Mar 2009 03:23
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I'm in postcalc. It's the aftermath. Literally.


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Suicidal Sledder
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Posted: 2nd Mar 2009 05:05 Edited at: 2nd Mar 2009 05:06
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ya well im in postpostcalc. lol jk

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heyufool1
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Joined: 14th Feb 2009
Location: My quiet place
Posted: 2nd Mar 2009 15:05
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Uh oh! I already took Algebra 2 Honors (geometry now) and i completely forgot how to do that... i'll have fun in Trigonometry Honors next year
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Quirkyjim
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Location: At my computer
Posted: 2nd Mar 2009 23:05
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Okay, got me on

Quote: "It's the aftermath"


~QJ
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AndrewT
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Location: MI, USA
Posted: 3rd Mar 2009 12:38
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Quote: "I already took Algebra 2 Honors (geometry now) and i completely forgot how to do that... i'll have fun in Trigonometry Honors next year"


Our curriculum is totally screwed up. I already took Geometry, and we don't even have Trig here. They combine it with Geometry and Algebra II.

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Darth Kiwi
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Posted: 3rd Mar 2009 17:55
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We did integration and differentiation last year, and then we were told that we'd just done calculus. Not really that hard - you just have to learn even more rules and apply them in even more ways.

Simplifying fractions is fun... most of the time.

Secretary of Unknowable Knowledge for the Rock/Dink administration '08
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Sven B
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Posted: 3rd Mar 2009 18:10
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Quote: "1. Rewrite 25t-25 as 5(5t-5)
2. To divide fractions, flip the second fraction and multiply
3. Cross out like terms on top and bottom

Answer:"


Well, actually since



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monotonic
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Location: Nottinghamshire, England
Posted: 3rd Mar 2009 21:22
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Quote: "We did integration and differentiation last year, and then we were told that we'd just done calculus. Not really that hard - you just have to learn even more rules and apply them in even more ways."


Calculus can become a lot harder than you might have been led to believe, once you start getting into applied mathematics that is.

The first time I did 2nd order inhomogeneous linear differential equations I very nearly pooped myself.

WARNING! The author of this post is most probably drunk or asleep.
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Phaelax
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Location: Metropia
Posted: 4th Mar 2009 00:41
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I remember a quiz I had in highschool, we had to solve 30 polynomial equations. The real hard part? It was a timed quiz and we were only given 2 minutes. There's specific patterns that can be recognized and, at just a glance, one should be able to solve it in their head within a few seconds. This was about 9 years ago and I certainly can't remember the patterns anymore. At least I'm pretty sure it was polynomials we did this with.

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bitJericho
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Posted: 8th Mar 2009 15:09
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Quote: "The first time I did 2nd order inhomogeneous linear differential equations I very nearly pooped myself."


I very nearly pooped myself just reading that

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