Question

root 12 + root 192 - root 147

Answer 1

$\sqrt{12} + \sqrt{192} - \sqrt{147}$

$= \sqrt{4 \times 3} + \sqrt{64 \times 3} - \sqrt{49 \times 3}$

$= 2 \sqrt{3} + 8\sqrt{3} - 7\sqrt{3}$

$= 3 \sqrt{3}$