SOLUTION: how do i simplify the equation x^-4th over x^-12th?

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Question 309855: how do i simplify the equation x^-4th over x^-12th?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how do i simplify the equation x^-4th over x^-12th?
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When you divide, you subtract exponents.
-4 - (-12) = 8
--> x^8
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Another way to look at it:
x%5E-4%2Fx%5E-12
Multiply numerator and denominator by x^12
--> x%5E%28-4%2B12%29%2F1
= x^8