Please help me with this problem with all steps thank you!!

Hello! In this exercise, the first step will be to factorize all the square roots, look below:
At this moment, all numbers have terms in common, so we can add them together. Let's do it:
[tex]\begin{gathered} 2\sqrt[]{3}+3\sqrt[]{3}+4\sqrt[]{3} \\ =\sqrt[]{3}(2+3+4) \\ =9\sqrt[]{3} \end{gathered}[/tex]