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Taking the square root of both sides of the equation x2 + 9 = 81 yields: √(x2 + 9) = √81 Simplifying the right-hand side gives: √(x2 + 9) = 9 So the equation resulting from taking the square root of both sides is: x2 + 9 = 81 or x2 = 72
Taking the square root of both sides of the equation x2 + 9 = 81 yields:
√(x2 + 9) = √81
Simplifying the right-hand side gives:
√(x2 + 9) = 9
So the equation resulting from taking the square root of both sides is:
x2 + 9 = 81
or
x2 = 72
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