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December 21, 2014

December 21, 2014

Posted by **simone** on Sunday, August 8, 2010 at 6:48pm.

(yz^-2)^4)(2y^-3z^-4)3/4y^9z^-5

- algebra -
**Henry**, Sunday, August 8, 2010 at 7:55pm(YZ^-2)^4(2Y^-3Z^-4)^3 / (4Y^9Z^-5 =

(Y^4Z^-8)(8Y^-9Z^-12) / (4Y^9Z^-5)=

8Y^-5Z^-20 / 4Y^9Z^-5 =

2Y^-14Z^-15 = 2 / Y^14Z^15

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