SOLUTION: Perform the indicated operation. 1) cubed root of 9x squared TIMES cubed root of 3x 2) ( 2 squared root of 3 MINUS 3)(2 square root of 3 + 3)

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Question 124530: Perform the indicated operation.
1) cubed root of 9x squared TIMES cubed root of 3x
2) ( 2 squared root of 3 MINUS 3)(2 square root of 3 + 3)

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
Perform the indicated operation.
:
1) cubed root of 9x squared TIMES cubed root of 3x
*
can be combined, do the math, and note that 27x^3 is a perfect cube
= = 3x
:
2) ( 2 squared root of 3 MINUS 3)(2 square root of 3 + 3)
()()
FOIL this
4(3) + 6 - 6* - 9
Note that the two radicals in the middle have opposite signs so they cancel, leaving:
12 - 9 = 3
:
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