www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/simplify-rational-expressions/v/simplifying-rational-expressions-introduction

Practice: Simplify rational expressions: common monomial factors ... what it
means to simplify a rational expression and why we would want to do that. ... So
here, just like there, the numerator and the denominator have a common factor. ...
You need to think of two numbers that when we multiply them are equal to 3
times ...

www.purplemath.com/modules/rtnldefs3.htm

Explains how to simplify rational expressions, using many worked examples. ... to
do the simplification correctly) is factor the numerator and the denominator: ...
Depending on your text, you might not need that "for x not equal to <sup>–5</sup>/2 part".

www.mathwarehouse.com/algebra/rational-expression/how-to-simplify-rational-expressions.php

Simplifying rational expressions requires good factoring skills. ... for factors that
are common to both the numerator and the denominator of the rational
expression. ... How Well Do You Know These Basic Math Facts? ... With the
denominator factored, we know that our final answer will have to restrict the
values $$x$$ so that ...

www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.476470.html

SOLUTION: when you simplify a rational expression, why are the numerator and
the denominator factored? Why do you need a least common denominator ...

www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut8_simrat.htm

Dec 14, 2009 ... Do you ever feel like running and hiding when you see a fraction? If so, you are ...
Factoring plays a big part of simplifying these rational expressions. So if you feel
the need to review factoring go back to Tutorial 7: Factoring Polynomials. I think
you are ... Step 1: Factor the numerator and the denominator.

www.jamesbrennan.org/algebra/rational/simplifying_rational_expressions.htm

we do so by noticing that there is a factor common to both the numerator and the
... must have a factor that cancels a common factor in the denominator. ...
WARNING You can only cancel a factor of the entire numerator with a factor of
the entire ...

www.ask.com/youtube?q=When Simplifying a Rational Expression Why Do You Need to Factor the Numerator and the Denominator&v=ilXb80DGElk

May 21, 2013 ... Factor things. ... Simplifying Rational Expressions ... Factor things. ... So in my
case I've a problem that has a numerator as a trinomial ... of those factors are also
in the denominator so you can cancel them. ... This is HOW every Professors
SHOULD teach because it gets you to ... I need a teacher like this.

www.mathportal.org/algebra/rational-expressions/simplifying-rational.php

Simplifying Rational Expressions with examples, solutions and exercises. ...
Again, the first thing that we will do here is factor the numerator and denominator.
... Nothing else will cancel and so we have reduced this expression to lowest
terms. ... If you want to contact me, probably have some question write me using
the ...

www.mathportal.org/calculators/rational-expressions/simplify-rational-calculator.php

This online calculator will simplify given rational expression. ... This means that in
case of high websitetraffic you will need to wait some time until visitors ... This
calculator factor both the numerator and denominator completely then reduce the
...

www.virtualnerd.com/algebra-1/rational-expressions-functions/expressions/simplify

How Do You Reduce Common Factors in a Rational Expression? ... You could
factor the numerator and denominator and then cancel like factors. ... In this
tutorial, you'll learn what you need to do to simplify a rational expression by
factoring ...