Question

2x (5√2-2√3)+5√3-8√2 rog calcul

Answer 1

$2 \times (5 \sqrt{2} - 2 \sqrt{3}) + 5 \sqrt{3} - 8 \sqrt{2} = \\ \\ 10 \sqrt{2} - 4 \sqrt{3} + 5 \sqrt{3} - 8 \sqrt{2} = \\ \\ (10 \sqrt{2} - 8 \sqrt{2}) + ( - 4 \sqrt{3} + 5 \sqrt{3}) = \\ \\ 2 \sqrt{2} + \sqrt{3}$