Question

Calcule e simplifique se possível
$\sqrt{3}$ . (7-2$\sqrt{3}$ )

Answer 1

$\ \ \ \sqrt{3}\cdot(7-2\sqrt{3})\\ \\=7\sqrt{3}-2\sqrt{9} \\=7\sqrt{3}-2\cdot 3 \\=7\sqrt{3}-6$