a) \(\sqrt{3x-4}+\sqrt{4x+1}=-16x^2-8x+1\)

b) \(\sqrt{x}+2\sqrt{x+3}=7-\sqrt{x^2+3}\)

c) \(x^2-6x+26=6\sqrt{2x+1}\)

d)\(\sqrt{2006x^2-2005}+\sqrt{2005x^2-2004}=\sqrt{2006^2+2x-2003}+\sqrt{2005x^2+x-2002}\)

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