aimeepifer aimeepifer

15-07-2019
Mathematics

contestada

Is the equation below a sum of cubes
125x3 +169

Respuesta :

15-07-2019

Answer:

NO

Step-by-step explanation:

[tex]\text{Because}\\\\125x^3=5^3x^3=(5x)^3\qquad\bold{it's\ a\ cube}\\\\169=13^2\qquad\bold{it's \ a \ square}\\\\125x^3+169=(5x)^3+13^2[/tex]

[tex]13-\text{it's a prime number}[/tex]

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