alexmartini234 alexmartini234
  • 04-05-2017
  • Mathematics
contestada

Solve the equation using square roots. Select the solution(s).
(2x−1)²=81

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HammyTheKid
HammyTheKid HammyTheKid
  • 04-05-2017
first you find the square root of both sides
2x-1 = 9
then add 1 to both sides
2x=10
then divide both sides by 2
x=5
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