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9 November, 15:07

Which equation results from taking the square root of both sides of (x - 9) 2 = 81?

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  1. 9 November, 17:41
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    The answer to this question is x + 9 = ±9. Or in the other case the second answer.
  2. 9 November, 18:18
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    In the question "Which equation results from taking the square root of both sides of (x - 9) 2 = 81?" The correct answer is x - 9 = + / - 9. Taking the square root of both sides of the equation (x - 9) ^2 = 81 will give: sqrt (x - 9) ^2 = sqrt (81) x - 9 = + / - 9 Solving the equation results in two equation: x - 9 = 9 and x - 9 = - 9 x = 9 + 9 and x = - 9 + 9 x = 18 and x = 0
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