wk 4 cc - because of your messing around with the original...

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A rational term in an equation is a fraction, and so if you have a rational equation, you automatically have fractions in it. We usually get rid of the fractions to make the math a bit easier, but this technique can be risky. It is possible to generate a so-called "extraneous root"
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Unformatted text preview: because of your messing around with the original format of the equation. For that reason, it is wise to make sure that any solutions you get satisfy the original equation....
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