# Please Answer The Question Below As Fast As Possible Who Answers First Get's Brainliest..

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###### Question:

Please Answer The Question Below As Fast As Possible Who Answers First Get's Brainliest..

## Answers

Answer:110Step-by-step explanation:Using the expansion(a + b)³ = a³ + b³ + 3ab(a + b)Givenx + [tex]\frac{1}{x}[/tex] = 5 ( cube both sides )(x + [tex]\frac{1}{x}[/tex] )³ = 5³ = 125 ← expand left side using identityx³ + [tex]\frac{1}{x^3}[/tex] + 3(x × [tex]\frac{1}{x}[/tex] )(x + [tex]\frac{1}{x}[/tex] ) = 125x³ + [tex]\frac{1}{x^3}[/tex] + 3(1)(5) = 125x³ + [tex]\frac{1}{x^3}[/tex] + 15 = 125 ( subtract 15 from both sides )x³ + [tex]\frac{1}{x^3}[/tex] = 110

Answer:Step-by-step explanation:Hope this helps u !!

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