Mathematics, 18.03.2020 07:00 hdeen7373

I'm not sure how to do this can you please show your work? Or at the very least give me an example problem and explain how to solve so I can solve this one. I can also provide an image if you can explain to me how to send it.

Simplify the following rational expression. List all of the excluded values, and classify each as a removable discontinuity, or a nonremovable discontinuity.
-2/{x^2}-4+x-1/{x^2}-2x

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I'm not sure how to do this can you please show your work? Or at the very least give me an example p...