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i need help asap! thanks

 

27 x 9^(3x) can be written in the form 3^k where k is an expression in terms of x

find k

 Sep 25, 2018
 #1
avatar+96363 
+1

27 * 9^(3x)  =

 

3^3  * (3^2)^(3x)  =

 

3^3 * 3^(6x)  =

 

3^ (3 + 6x)

 

So...k  = 3 + 6x

 

 

cool cool cool

 Sep 25, 2018

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