Question

simplify..........................

Answer 1

you can see your answer

Answer 2

1. 3√5-6√5+4√5=√5
$\sqrt[4]{81} - 8 \sqrt[3]{216} + 15 \sqrt[5]{32} + \sqrt{225}$
81=3^4, 216=6^3, 32=2^5, 225=15^2
3-8*6+15*2+15
3-48+30+15
48-48
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