[Blindmath] Algebraic Long Division

[Jared Wright]

If there was to be an accompanying attachment for your examples, I think 
the list blocked it. Still, a cool method that I must say I like very much.

Jared

On 3/18/2009 12:03 AM, Nimer wrote:
> Yes, I also use a spreadsheet, and find itto be helpful. Here are some 
> instructions.
>
> Synthetic Division using EXCEL
>
> Take divisor set it equal to zero and solve
> A1 put the zero from the divisor
> B1 through as long as you need put coefficients of the dividend
> Take value from B1 and drop it down to B3
> Take A1 multiply it to B3 and put in C2
> Add C1 and C2 and write answer in C3
> Take A1 multiply to C3 and write in D2
> Ass D1 and D2 and write answer in D3
> Repeat steps as needed
> When nothing else is in row 1 you are done
> The last number in row 3 is the remainder
> Write answer as a polynomial
> Example 1
> Problem done on sheet 1 x^2+6x+5 divided by x+1
> Answer x+5
> Example 2
> Problem done on sheet 2 2x^3+3x-5 divided by x+2 (I don’t know how 
> this one will work but thought I would give you one that needed place 
> holders)
> Answer 2x^2-1x+2 +-9/(x+2)
>
> Hope this helps, questions let me know.
>
> Nimer J
>
> "every time I say something they find hard to hear
> they chalk it up to my anger
> and never to their own fear"
> Ani Difranco: I'm Not A Pretty Girl 1995
>
> Nimer M. Jaber
>
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>
> Pranav Lal wrote:
>> Hi all,
>>
>> One way I have found for problems like long division is to use a
>> spreadsheet. The spreadsheet duplicates a taler frame in some ways. 
>> The good
>> thing is one can add or delete rows as required. I am not sure that this
>> will help in the current scenario but it could be worth a try.
>>
>> Pranav
>>
>> -----Original Message-----
>> From: blindmath-bounces at nfbnet.org 
>> [mailto:blindmath-bounces at nfbnet.org] On
>> Behalf Of Susan Jolly
>> Sent: Tuesday, March 17, 2009 10:05 PM
>> To: blindmath at nfbnet.org
>> Subject: [Blindmath] Algebraic Long Division
>>
>> I'm sitting here shaking my head in disbelief on reading "my 
>> professor asked
>> me to do sets of long division
>> containing variables." Spatial arithmetic and especially long 
>> division is
>> the worst case scenario for doing math in braille since you have to keep
>> going back and forth. And who does long division in college any 
>> more?  Let
>> alone algebraic long division or polynomial long division like you are
>> doing. What a mess!
>>
>> I agree this is not a situation with a good solution. LaTeX wouldn't 
>> be of
>> much help.  Hopefully you will make it through somehow and never have 
>> to do
>> this again!
>>
>> It also sounds like your professor is difficult to deal with.  I'd think
>> that if you could sit down with the professor and prove that you 
>> understand
>> the concept of long division, there wouldn't be any need to do a large
>> number of similar problems.
>>
>> Best wishes,
>> SusanJ
>>
>>
>>
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>>
>>
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