[tex] \sqrt{54} [/tex]
is same as
[tex]3 \sqrt{6} [/tex]
[tex] \sqrt{24} [/tex]
is same as
[tex]2 \sqrt{6} [/tex]
no you have same sq. root
[tex]2 \times 3 \sqrt{6} + 5 \times 2 \sqrt{6} [/tex]
[tex]6 \sqrt{6} + 10 \sqrt{6} [/tex]
[tex]16 \sqrt{6} [/tex]
