Seudónimo Seudónimo
  • 31-05-2017
  • Mathematics
contestada

plz help..................

plz help class=

Respuesta :

emarina
emarina emarina
  • 31-05-2017
The answer is C, x^2 - 6x +9
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ghanami
ghanami ghanami
  • 31-05-2017
hello : 
by identity : (a-b)² = a²-2ab +b²
(x-3)² = x² -2(x)(3) +3²
       (x-3)²    = x² -6x +9.... 
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