Question

Simplify
∜16 – 6 ∛343 +18 √243 – √196
PLS CAN SOMEONE ANS IT FAST............

Answer 1

`\sqrt[4]{16} - 6\sqrt[3]{343} +18 √(243) -√(196)\\\\\\=\sqrt[4]{2^4}-6\sqrt[3]{7^3} +18√(81 * 3)-√(14^2)\\\\\\=2-6\cdot 7 + 18\cdot 9 \sqrt 3-14\\\\\\=162\sqrt 3-12-42\\\\\\=162\sqrt 3-54\\\\\\=54\left(3\sqrt 3 -1 \right)`