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Simplify: 4√81 - 8. 5√243 + 15. 5√32 + √225

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Simplify: \(\sqrt[4]{81} - 8 . \sqrt[5]{243} +15. \sqrt[5]{32} + \sqrt{225}\)

4√81 - 8. 5√243 + 15. 5√32 + √225

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\(\sqrt[4]{81} - 8 . \sqrt[5]{243} +15. \sqrt[5]{32} + \sqrt{225}\)

= 3 – 8.3 + 15.2 + 15 

= 3 – 24 + 30+ 15 

= 48 – 24 = 24

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