Respuesta :

devishri1977

Answer:

Step-by-step explanation:

Compare with the identity: a³ + b³ = (a +b)(a² - ab + b²)

x³ + k³ = (x + k)(x² - 2x + k²)

⇒ ab = 2x

   x *b = 2x

       b = 2x/x

      b = 2

k = 2

Otras preguntas