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The given expression is .
(Subtract 1 from each side)
(Apply additive inverse property: )
(Apply additive identity property: )
(Subtract: )
(Square on each side)
(Cancel square and root: )
(Evaluate power )
(Divide each side by 10)
(Cancel common term)
(Divide: )
The equation , on substitute .
(Multiply: )
()
(Add: )
The check solution is true.
The solution is .
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