$3\sqrt{ 2 }\left( \sqrt{ 2 }+\frac{ \sqrt{ 18 } }{ 18 } \right)$
Simplify the radical expression$3\sqrt{ 2 }\left( \sqrt{ 2 }+\frac{ 3\sqrt{ 2 } }{ 18 } \right)$
Cancel out the common factor $3$$3\sqrt{ 2 }\left( \sqrt{ 2 }+\frac{ \sqrt{ 2 } }{ 6 } \right)$
Calculate the sum$3\sqrt{ 2 } \times \frac{ 7\sqrt{ 2 } }{ 6 }$
Cancel out the greatest common factor $3$$\sqrt{ 2 } \times \frac{ 7\sqrt{ 2 } }{ 2 }$
Calculate the product$\frac{ 14 }{ 2 }$
Cancel out the common factor $2$$7$