Posted by Rochelle on Wednesday, January 11, 2012 at 7:49pm.
(y+2)

(y7)(y+7)

y

(y+7)(y1)
which you need an LCD for
(y+2) (y1)

(y7)(y+7)(y1)

y (y1)(y7)

(y+7)(y1)(y7)
y+7
you forgot that pesky "y" upstairs...
y/(y+7)
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