Question

simplify:
$4 \sqrt{16} - 6 \times 3 \sqrt{343} + 18 \times 5 \sqrt{243} - \sqrt{196}$

Answer 1

➡ 4√16 - 6 * 3√343 + 18 * 5

➡ 2 - 6 * 7 + 18 * 5 ......( 4√16 = 2 & 3√343 = 7 )

➡ 2 - 42 + 90

➡ 92 - 42

➡ 50

Hope it will help you !!