gianna20
gianna20 gianna20
  • 13-03-2017
  • Mathematics
contestada

I don't know how to solve this

I dont know how to solve this class=

Respuesta :

leena19
leena19 leena19
  • 13-03-2017
K^2-16
=(K-4)(k+4)

Because 4 • -4= -16
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