SOLUTION: how can i get the value/s of x in the equation: (square root of x) - 3 = x-15?

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Question 220642: how can i get the value/s of x in the equation: (square root of x) - 3 = x-15?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(square root of x) - 3 = x-15
sqrt%28x%29+-+3+=+x-15
sqrt%28x%29+=+x-12
Square both sides
x+=+x%5E2+-+24x+%2B+144
x%5E2+-+25x+%2B+144+=+0
(x-9)*(x-16) = 0
x = 9
x = 16