ba9i9leyvivonaynl
ba9i9leyvivonaynl ba9i9leyvivonaynl
  • 07-04-2016
  • Mathematics
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What number complete the square x^2 +\- bx

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apologiabiology
apologiabiology apologiabiology
  • 07-04-2016
take 1/2 of b and squaer it so (b/2)^2 would complete the square (sign doesn't matter becaus when squareing, sign goes positive)
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