Question

$\sqrt{6 \times \sqrt{576} } + \sqrt{3 \times \sqrt{144 } }$

Answer 1

$\sqrt{6 \sqrt{576} } + \sqrt{3 \sqrt{144} }$
$\sqrt{6 \times 24 } + 3 \sqrt{14}$
$\sqrt{144} + \sqrt{36}$
$12 + 6 = 18$
Succes !