Question 1118035
 solve for x 
sqrt( x^2 -2x) = x-4 
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Square both sides to get:
x^2-2x = x^2-8x+16
x^2 + 6x - 16 = 0
(x+8)(x-2) = 0
x = -8 or x = 2
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Cheers,
Stan H.
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