Divide and simplify:

x2−9x2+x−12÷8xx+4\displaystyle \frac{{{x}^{{2}}-{9}}}{{{x}^{{2}}+{x}-{12}}}\div\frac{{{8}{x}}}{{{x}+{4}}}


Enter the numerator and denominator separately in the boxes below. If the denominator is 1, enter the number 1. Do not leave either box blank. Answer:


Numerator preview:  
Denominator preview:  

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