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# Math

Some of the content of this guide was modeled after a guide originally created by the Openstax and has been adapted for the GPRC Learning Commons in September 2020. This work is licensed under a Creative Commons BY 4.0 International License.

Dividing Rational Expressions:

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##### To find the non-permissible values, one has to set the denominator of the first fraction and second fraction as well as the numerator of the second fraction equal to zero and solve for the variable:

Now, we set the denominator of the second fraction equal to zero and solve for x:

##### So, the non-permissible values are

ATTENTION!! In order to find the non-permissible values of a division, one has to set the denominator of the first fraction and second fraction as well as the numerator of the second fraction equal to zero and solve for the variable.