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Math Help - Factoring and Rational Expressions

  1. #1
    Senior Member
    Joined
    Feb 2008
    From
    Berkeley, Illinois
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    364

    Factoring and Rational Expressions

    I've had the factoring calculator for a while, but I've just added a rational expressions enhancment to it.

    Factor Calculator and Rational Root Calculator

    For shortcut commands, simply type the word factor in front of your expressions. For rational expressions, you are allowed one fraction, and you don't need to block off numerator and denominator with parentheses.

    Try this:
    8x^3+22x^2-6x/4x-1

    Essentially, the calculator will walk you through the steps to factor top and bottom, and then check to see if there are common cancellation term(s). If so, it will show you the crossout line for any cancelled terms, and then the simplified expression.

    This is version 1 of the rational expressions portion. Let me know if you would like enhancements or changes. Any other changes sent to me, I'll make on the fly.
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  2. #2
    Senior Member
    Joined
    Feb 2008
    From
    Berkeley, Illinois
    Posts
    364
    I have added another button on this lesson which determines the number of potential positive and negative roots using Descarte’s Rule of Signs. This works for any polynomial with no fraction.

    To do a shortcut for this anywhere on the site, simply lead your statement with Descartes or Descarte followed by your polynomial. Search engine is case and space insensitive, so lower case will be fine as well.
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