Question

simplify
3√45-√125+√200-√50​

Answer 1

$3 \sqrt{9 \times 5} - \sqrt{25 \times 5} + \sqrt{100 \times 2} - \sqrt{25 \times 2}$

$3 \times 3 \sqrt{5} - 5 \sqrt{5} + 10 \sqrt{2} - 5 \sqrt{2}$

$9 \sqrt{5} - 5 \sqrt{5} + 10 \sqrt{2} - 5 \sqrt{2}$

$4 \sqrt{5} + 5 \sqrt{2}$