Question

simplify √4900 + 3√343 - 3√16

Answer 1

$\sqrt{4900} + 3 \sqrt{343} - 3 \sqrt{16} \\ 70 + 3 \times 7 \sqrt{7} - 3 \times 4 \\ 70 + 21 \sqrt{7} - 12 \\ 58 + 21 \sqrt{7}$

Answer 2

HOPE IT WILL HELP YOU