Question

Calculati 8√3+2√12-√27

Answer 1

$8 \sqrt{3}+2 \sqrt{12}-\sqrt{27} = 8\sqrt{3} + 2\cdot 2\sqrt{3}-3\sqrt{3} = 8\sqrt{3}+4\sqrt{3}-3\sqrt{3}= \\ \\ =8\sqrt{3}+\sqrt{3} = 9\sqrt{3}$