SOLUTION: I need help with the problem three radical X equals twelve

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Question 428273: I need help with the problem three radical X equals twelve
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
Solution:3%2Asqrt%28x%29=12, divide both sides by 3
sqrt%28x%29=4
%28sqrt%28x%29%29%5E2=4%5E2, squared both sides
x=16
Check: 3%2Asqrt%2816%29=12 => 3*4=12 => 12=12.
Done.