[Blindmath] Algebraic Long Division

[Ms. Roopakshi Pathania]

Nimer,

Thanks for the interesting information.
For those like me, who have a rusty memory regarding polynomial long divisions, here is a nice and accessible explanation.

http://www.purplemath.com/modules/polydiv2.htm

Regards

"The strength to kill is not essential for self-defence; one ought to have the strength to die."
~ Mahatma Gandhi


--- On Wed, 3/18/09, Nimer <nimerjaber1 at gmail.com> wrote:

> From: Nimer <nimerjaber1 at gmail.com>
> Subject: Re: [Blindmath] Algebraic Long Division
> To: "Blind Math list for those interested in mathematics" <blindmath at nfbnet.org>
> Date: Wednesday, March 18, 2009, 9:33 AM
> 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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