Determine the smallest positive value of $x,$ in degrees, for which
\[\tan (x + 100^{\circ}) = \tan (x + 50^{\circ}) \tan x \tan (x - 50^{\circ}).\]
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Determine the smallest positive value of $x,$ in degrees, for which
\[\tan (x + 100^{\circ}) = \tan (x + 50^{\circ}) \tan x \tan (x - 50^{\circ}).\]
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
30^\circ
Determine the smallest positive value of $x,$ in degrees, for which
\[\tan (x + 100^{\circ}) = \tan (x + 50^{\circ}) \tan x \tan (x - 50^{\circ}).\]
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