[tex] \sqrt{54} = \sqrt{ 2 \times3 \times 3 \times 3}[/tex]
[tex] \sqrt{54} = \sqrt{ 2 \times 3} \times 3[/tex]
[tex] \sqrt{54} = \sqrt{6} \times 3[/tex]
[tex] \sqrt{54} = 3 \sqrt{6} [/tex]
