arlenyyarmentap0pea5 arlenyyarmentap0pea5
  • 09-12-2017
  • Mathematics
contestada

Find the value that completes the square r2+6r+c

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tynollette tynollette
  • 09-12-2017
C is (half of B)².
in this case, B is 6, so C=3²=9
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