Shaynnn6080 Shaynnn6080
  • 24-03-2018
  • Mathematics
contestada

What value of c makes the polynomial below a perfect square trinomial?x2 + 18x + c?

Respuesta :

MrGumby
MrGumby MrGumby
  • 28-03-2018
c = 81. 

You can get this by taking half of the b term and squaring it. 
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