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posted by Hannah on Sunday, July 4, 2010 at 7:46pm.

solve: 4u^2 + 3 = -7u The sqrt part is confusing me.

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

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