You can put this solution on YOUR website! (4A^3B^-3C^2)^3/(-2A^-2B^2C^-1)^4 CUBE THE NUMERATOR AND RAISE THE DENOMINATOR BY THE FOURTH POWER THUS:
(64A^6B^1C^5)/(16A^2B^6C^3) NOW FACTOR OUT ALL TERMS
4A^4B^-5C^2
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MERRY CHRISTMAS