Question

qual a expressão de
$\sqrt{3} .( \sqrt{3} + \sqrt{27} - \sqrt{8)}$

Answer 1

$\sqrt{3} \times ( \sqrt{3} + \sqrt{27} - \sqrt{8} ) \\ \\ \sqrt{3} \times ( \sqrt{3} + 3 \sqrt{3} - 2 \sqrt{2} ) \\ \\ \sqrt{3} \times (4 \sqrt{3} - 2 \sqrt{2} ) = \\ \\ 12 - 2 \sqrt{6}$