Factor the polynomial: 64x^3 + 343

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- Jan 6th 2009, 10:15 PMmagentaritaFactor the Polynomial
Factor the polynomial: 64x^3 + 343

- Jan 6th 2009, 10:19 PMMush
- Jan 7th 2009, 12:25 AMmr fantastic
You have (4x)^3 + 7^3. Now use the sum of cubes formula for factorising: Sum of Cubes

Note that the quadratic factor in this formula cannot be further factorised. - Jan 7th 2009, 07:42 PMmagentaritaok...