Respuestas

2014-02-17T01:34:51+01:00
8x3 + y3= (2x+y).((2x²)-2x.y+y2)
=(2x+y) . (4x²-2xy +y2)
  • Usuario de Brainly
2014-02-17T01:36:29+01:00
2^3 -x^3 =(2-x)(2^2+ 2x +x^2)
(2-x)(4+2x+x^2)


64x^3 +125 = 4^3x^3 +5^3 =(4x +5 )[(4x)^2 -(4x)(5) +5^2] = (4x +5)(16x^2 - 20x +25)