Question

√12+2√27-5√48. Simplify the following.

Answer 1

$\sqrt{12} +2 \sqrt{27} - 5 \sqrt{48} \\ = 2 \sqrt{3} + 2 \times 3 \sqrt{3} - 5 \times 4 \sqrt{3} \\ = 2 \sqrt{3} + 6 \sqrt{3} - 20 \sqrt{3} \\ = 8 \sqrt{3} - 20 \sqrt{3} \\ = - 12 \sqrt{3}$