Question 36849
x~2-(x/2)~2=108 or x2-x~2/4=108 or (4x~2-x~2)/4=108 or 3x~2/4=108 or 
3x~2=108 or x~2=144 or x=sqrt144 or x=12

proof 12~2-(12/2)~2=108 OR 144-(144/4)=108 OR 144-36=108 OR 108=108