math question

[Shakibanov]

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I'm rusty with my math.
can someone please explain, how
24/Sq.Rt.2 = X
becomes, X = 12(times)Sq.Rt.2

 

[doc toothache]

I'm rusty with my math.
can someone please explain, how
24/Sq.Rt.2 = X
becomes, X = 12(times)Sq.Rt.2

Multiply both numerator and denominator by sq.rt of 2. and reduce.

 

[Shakibanov]

Perfect, thanks.