What is the value of -LSB- math -RSB- x -LSB- / math -RSB- in this equation : -LSB- math -RSB- 3 = \ frac -LCB- 6 \ sqrt -LCB- 12,3 -RCB- -RCB- -LCB- \ sqrt -LCB- x -RCB- -RCB- -LSB- / math -RSB- ?
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