19oochoa 19oochoa
  • 03-01-2019
  • Mathematics
contestada

The expression below is a sum of cubes. 125x^3+144

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gmany
gmany gmany
  • 10-01-2019

[tex]125=5^3\\\\\sqrt[3]{144}=\sqrt[3]{8\cdot18}=\sqrt[3]8\cdot\sqrt[3]{18}=2\sqrt[3]{18}\\-------------------------------\\\\125x^3+144=5^3x^3+(\sqrt[3]{144})^3=(5x)^3+(2\sqrt[3]{18})^3[/tex]

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Fduncan7088
Fduncan7088 Fduncan7088
  • 24-09-2019

The answer is false, it is not a sum of cubes.

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