Question

$<var>\sqrt3 + \sqrt27</var>$

Answer 1

$=>\sqrt{3} + \sqrt{27} \\=>\sqrt{3} + \sqrt{3.3.3}\\=>\sqrt{3} + \sqrt{3^2.3}\\=>\sqrt{3} + 3\sqrt{3}\\=>\boxed{4 \sqrt{3}}$

Answer 2

$\boxed{ \sqrt{3}+ \sqrt{27}= \sqrt{3}+ \sqrt{9.3}= \sqrt{3}+ \sqrt{9} \sqrt{3}= \sqrt{3}+2 \sqrt{3}=3 \sqrt{3} }$