haymarieleem16 haymarieleem16

27-06-2019
Mathematics

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Is the expression 125x^3 + 216 a sum of cubes?

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jdoe0001 jdoe0001

27-06-2019

[tex]\bf 125x^3+216~~ \begin{cases} 125=5^3\\ 216=6^3 \end{cases}\implies 5^3x^3+6^3\implies \stackrel{\textit{yes, it is}}{(5x)^3+6^3}[/tex]

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