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Write "square root of 18" in simplified radical form?
##sqrt18##
The "9" is the only perfect square that divides evenly into 18.
##sqrt(2*9 )##
##sqrt9=3##
The number "3" will be placed in the front on the simplified radical.
##sqrt(2*9 ) -> 3sqrt2##
Final Answer: ##sqrt18=3sqrt2##