Question about Casio FX9750GII Graphic Calculator

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Factoring program - Casio FX9750GII Graphic Calculator

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What is the question. Your calculator FX-9750 GII does not have a Computer Algebra System or CAS, so you cannot factor a polynomial.
If you want you can try to find the zeros of the polynomial function (the values of x when the function crosses the horizontal axis) either by solving P(x)=0 or by graphing y=P(x).
Once you have the approximate roots x_1, x_2, ...,x_n, you can factor out the coefficient of the leading term (the term with the highest power) and write P(x) =a_n *G(x). here a_n is the coefficient of the leading term.
G(x) can then be written as G(x)=(x-x_1)(x-x_2)*(x=x_3)...(x-x_n)
and the original polynomial will be
Note: Here is an example of P(x) and the corresponding G(x)
P(x)=5(x^3+ (7/3)*x^2-(13/5)x+29/5)
G(x)=x^3+ (7/3)*x^2-(13/5)x+29/5
You should keep in mind that the roots are in general complex. Not all polynomials are factorisable in the set of Real numbers.

Posted on Oct 06, 2013

  • k24674 Oct 02, 2014

    G(x)=x^3+ (7/3)*x^2-(13/5)x+29/5 should read G(x)=x^3+ (7/15)*x^2-(13/5)x+29/5



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