Respuestas

  • Dox
  • Ambicioso
2013-05-24T20:25:50+02:00
X^2+2x-15= (x+5)(x-3)

X^2-25x+144= (x-16)(x-9)

2013-05-24T21:38:12+02:00
X^2 + 2x -15= 0
(x+5)(x-3)= 0


x^2 - 25x +144= 0
(x - 16 )(x-9  )=0
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