X2-64=0
x2=64
x=8 because when multiplied by itself, and plugged back in, it works
15.5, because 31 divided by 2 is 15.5. And all the other number divided by the number below them also turns out to be 15.5.
Hope this helps. :)
-2 a b are a match. hope this helps 2-2=4
