silentcloudgcoxs3ej silentcloudgcoxs3ej
  • 13-10-2017
  • Mathematics
contestada

Which of the following is a perfect square?


x2 + 2x + 4


x2 + 9


x2 + 6x + 9


x2 + 3x + 9

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AnimeBrainly
AnimeBrainly AnimeBrainly
  • 13-10-2017
x²+ 6x + 9 = (x+3)(x+3) Perfect square

This is the only answer

hope this helps
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