Precalculus 11

If when simplifying 2 rational expressions you got:


would you multiply the top & bottom by -1?

Thanks!! :)♡

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  1. I assume the denominator is (2-x).
    If so, you can, it makes it neater

    Is it necessary? I bet I could find a few middle/high school teachers who would vehemently argue so. If you have one of those, dont argue, just say thanks, I didn't know that. It is not worth arguing.
    Math is a language, with a living syntax, and that syntax changes over we express algebraic terms and statements can vary.
    The most important thing in your statement above was the parenthesis on the denominator (2-x), that is important.

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  2. Ok, that makes sense :) thank you very much

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