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

2 Answers

7 votes


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

User Jenifer
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6 votes

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

User Marcatectura
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