Question

Calculați : - √2 + √3 + 3√2 + √3 =

Answer 1

$-\sqrt{2} + \sqrt{3} +3 \sqrt{2} + \sqrt{3} = \\ \\ - \sqrt{2} +3 \sqrt{2} +2 \sqrt{3} = \\ \\ 2 \sqrt{2} +2 \sqrt{3} = \\ \\ =2( \sqrt{2} + \sqrt{3} )$