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sha0403
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answer is x^2? right?

theDevonator
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i'm not sure

math>philosophy
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Rerewrite it without the negative exponent

theDevonator
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x^8 right?

sha0403
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we should plus or multiply the exponent? @math>philosophy ? i forgot already

math>philosophy
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You don't need to do anything to rewrite the expression. Just take the reciprocal so you get \[\frac{1}{(x^4)^2}\]

sha0403
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oh i see..

theDevonator
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oh i see, cool