SOLUTION: i need help subtracting square roots {{{ 3 sqrt ( 108 ) - 2 sqrt ( 18 ) - 3 sqrt ( 4 )

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Question 510909: i need help subtracting square roots i+need+help+subtracting+square+roots+ 3 sqrt ( 108 ) - 2 sqrt ( 18 ) - 3 sqrt ( 4 )
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3 sqrt ( 108 ) - 2 sqrt ( 18 ) - 3 sqrt ( 4 )
----
3*sqrt(36*3) - 2*sqrt(9*2) - 3*sqrt(4)
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= 3*6*sqrt(3) - 2*3*sqrt(2) - 3*2
----
= 18*sqrt(3) - 6*sqrt(2) - 9
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Cheers,
Stan H.
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