anonymous
  • anonymous
Applicable to this and all other questions-- For any solution that involves two answers, type one answer separated by a comma and then the other answer. Solve the equation x2 = 81 by finding square roots.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
idk
anonymous
  • anonymous
x^2 = 81 you actually mean this sqrt(x^2)=sqrt(81) take sqrt of both sides x= 9 or x=-9 both work but since it says seperate answer by commas it is 9,-9
anonymous
  • anonymous
x^2 = 81 you actually mean this sqrt(x^2)=sqrt(81) take sqrt of both sides x= 9 or x=-9 both work but since it says seperate answer by commas it is 9,-9

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anonymous
  • anonymous
omg thank you
anonymous
  • anonymous
u r welcome
anonymous
  • anonymous
hey she copied me :P
anonymous
  • anonymous
hahahaha its ok lol
anonymous
  • anonymous
no i looked it up in my mathematical term book ok so stop hatin
anonymous
  • anonymous
lol one of those sounds nice lol

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