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Manipulating Rational Expressions

Manipulating Rational Expressions 1.21 - Solution

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We'll multiply the rational expression by .
We have squared in both the numerator and denominator. These terms can never be negative but how about the term Yes, if is negative. Thus, if the whole expression will be negative. Lets' try with the smallest negative integer,
Simplify power and product
Therefore, Ron-Jon is incorrect as we found a negative value.