Multiplying Rational Expression  TOPIC_SOLVED

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Multiplying Rational Expression

Postby Kprime911 on Sun Apr 22, 2012 8:36 pm

I am having trouble with this multiplying rational expression problem. answers is also suppose to be reduced to lowest terms.

3x-6/6x^2 * 9x/4x-8


thank you any help is appreciated.
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Postby stapel_eliz on Mon Apr 23, 2012 11:19 am

Kprime911 wrote:3x-6/6x^2 * 9x/4x-8

What you have written means the following:

. . . . .

Is this what you meant? Or were the grouping symbols omitted in [(3x - 6)/(6x^2)] * [(9x)/(4x - 8)], which is the following:

. . . . .

Or is the expression something else? Thank you! :wink:
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Re: Multiplying Rational Expression

Postby Kprime911 on Mon Apr 23, 2012 4:48 pm

oh sorry it was the second one. [(3x - 6)/(6x^2)] * [(9x)/(4x - 8)].
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Re:  TOPIC_SOLVED

Postby little_dragon on Mon Apr 23, 2012 10:30 pm

. . . . .

U can see how to do these here: http://www.purplemath.com/modules/rtnlmult.htm
start with factoring:
cancel the 3 w/ the 6 & both x-2s
times whats left
:wave:
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