Please solve this! radical sign x + 3 = 12
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Please solve this! radical sign x + 3 = 12

[From: ] [author: ] [Date: 11-05-10] [Hit: ]
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Your description is ambiguous.

Did you mean √(x+3) = 12 OR (√x) + 3 = 12.

I'll work both, just so you can see the difference.

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√(x+3) = 12

Square both sides.

x+3 = 144
x = 141

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√x + 3 = 12

√x = 9

x = 81

-
X = 9
1
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