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hallj062599 hallj062599
  • 25-07-2016
  • Mathematics
Answered

Joseph has started completing the square on the equation 3x^2 - 7x + 12 = 0. He has worked to the point where he has the expression x^2-7/2 x = -4. Show work to show whether or not his work is accurate.

Verified Answer :

texaschic101
texaschic101 texaschic101
  • 25-07-2016

3x^2 - 7x + 12 = 0...move the 12 to the other side
3x^2 - 7x = -12....now divide by 3
x^2 - 7/3x = -4..this is where he made his mistake

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