mathhelp28
mathhelp28 mathhelp28
  • 19-05-2017
  • Mathematics
contestada

find the number to be added to complete the square x^2+6x-4

find the number to be added to complete the square x26x4 class=

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tonb
tonb tonb
  • 19-05-2017
Assuming we want to factor the formula to (x+3)(x+3), you want to have a +9 where there is a -4 now. So you must add 13.


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