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If x+y=9 and xy=18, what is the value of x^3+y^3?

 Jan 22, 2021
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from what I can see here, x=6 and y=3 (or it can be the other way around.)

 

substitute x and y in the given equation

 

6^3+3^3 can be simplified to 216+27 which is 243

 Jan 22, 2021

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