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OpenStudy (anonymous):
ok x/x-4 / x/4-x so is the answer -x?
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myininaya (myininaya):
Is that \[\frac{x}{x-4} \div \frac{x}{4-x} ?\]
myininaya (myininaya):
Hint: \[\frac{a}{b} \div \frac{c}{d}=\frac{a}{b} \cdot \frac{d}{c}\]
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