Question

can you please answer this question ​

Answer 1

this answer may help you

Answer 2

$\sqrt[4]{81} - 8 \sqrt[3]{216} + 15 \sqrt[5]{32} + \sqrt{225} \\ \\ 3 - 8(6) + 15(2) + 15 \\ 3 - 48 + 30 + 15 \\ 48 - 48 = 0$