<PRE><B>Question 30007</B>
there are several ways to solve this ,,here i am doing which can be understand easily by you through this medium..

2 root of 18 - 6 root of 18

take (root of 18) common and you get 

= 2 - 6 (root of 18 )

= -4 (root of 18)

now open brackets and you get answer

 = -4 root of 18 

for better understanding ,,,see below

......its is solved in the same ways as we solve..

 = 2x-6x....here think that x stands for root of 18 

 =  -4x,,,,you can also calculate your above answer..

hope this will help you 

Please feel free to revert back for any further queries.





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