Question

5√3 + √12 - 5√48 me ajudem...é pra prova...

Answer 1

$\sqrt{12} = \sqrt{2^2*3} = 2 \sqrt{3} \\\\ \sqrt{48} = \sqrt{2^4*3} = 4 \sqrt{3}*5 = -20\sqrt{3} \\\\\ 5\sqrt{3}+2\sqrt{3}-20\sqrt{3} = \\\\ \boxed{-13\sqrt{3}}$