Posted by Hannah on Sunday, July 4, 2010 at 7:46pm.
solve: 4u^2 + 3 = 7u
The sqrt part is confusing me.

Math  Damon, Sunday, July 4, 2010 at 7:49pm
I do not see any sqrt part
4 u^2 + 7 u + 3 = 0
(4 u + 3)(u +1) = 0
u can be 3/4 or 1