thomasonholly thomasonholly
  • 14-03-2017
  • Mathematics
contestada

Which expression is prime?
A) x2 - 9
B) 1 - 9x2
C) 2a2 - 25
D) 4x2 - 9

Respuesta :

mikeab612 mikeab612
  • 14-03-2017
the answer would be c


Answer Link

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