Question about Casio FX-9750GPlus Calculator

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How do you factor a trinomial on a Casio 9750Gii. Example problem: 6 + 23k + 7k2

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  • Anonymous Mar 30, 2014

    How to factorize a trinomial



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You cannot factor a polynomial with the help of this calculator. It does not have a Computer Algebra System or CAS. You can factor it approximately.

  1. You can however rewrite the equation 7k^2+23k+6=0 in the canonical form X^2+ (23/7)X+(6/7)=0
  2. Calculate its discriminant Delta= (23/7)^2-4*(6/7), which is positive, meaning that real solutions exist.
  3. Calculate the two roots x1 and x2 (approximately).
  4. The polynomial can be factored as (X-x1)(X-x2)

Posted on May 08, 2010

  • k24674 Jun 22, 2010

    Here is the link to a casio program written by a user. Program is called TRINOME. Download it in format .cat or .fxi and transfer to your calculator using the appropriate transfer software and the appropriate cable.
    Caveat: the web page is in French.

  • k24674 Jun 22, 2010

    Here is another program that shows the factored out form of the trinomial. Sorry again: program messages are in French.



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I hope this helps.

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On the Internet, there is a program which you can download and transfer to your calculator. Here is the link (the page is in French).

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