Question

2×(radical din 3 - 1)- radical din 12

Answer 1

$2( \sqrt{3 } - 1) - \sqrt{12}$

$2 \times \sqrt{3} - 2 \times 1 - \sqrt{12}$

$2 \sqrt{3} - 2 - 2 \sqrt{3}$

$= - 2$

$2 \sqrt{3} \: si \: - 2 \sqrt{3} \: se \: simplifica \: (nr \: opuse)$