Simplify, give all aswers with non-negative exponents.

(3x^-4d^5)^2 times 12cd^-4

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`(3x^-4d^5)^2 * 12cd^-4`

`=9*x^-8*d^10*12*c*d^-4`

`=9*1/x^8*d^10*12*c*1/d^4`

`=(108*c*d^6)/x^8` `rarr` **answer.**

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