sobiaahsan51 sobiaahsan51
  • 18-09-2018
  • Mathematics
contestada

find two square roots of 81

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jesseniarueda jesseniarueda
  • 18-09-2018

nine and negative nine



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alyssaheap65
alyssaheap65 alyssaheap65
  • 18-09-2018

Well if you think about if 9 times 9 equals 81. -9 and -9 also equals 81 because negative times negative equals positive 81

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