3-2x+\(\sqrt{1+4x+4x^2}\)

\(\sqrt{x-2\sqrt{x}+1}\) + \(\sqrt{x}\)

\(\dfrac{1}{2\sqrt{x}-2}\) - \(\dfrac{1}{2\sqrt{x}+2}\) + \(\dfrac{\sqrt{x}}{1-x}\)

\(\dfrac{a+4\sqrt{a}+4}{\sqrt{a}+2}\) + \(^{\dfrac{4-a}{2-\sqrt{a}}}\)

\(\dfrac{x+1-2\sqrt{x}}{\sqrt{x}-1}\) + \(\dfrac{x+\sqrt{x}}{\sqrt{x}+1}\)

\(\left(\dfrac{\sqrt{x}}{\sqrt{x}-2}+\dfrac{\sqrt{x}}{\sqrt{x}+2}\right)\) . \(\dfrac{4-x}{2\sqrt{x}}\)

\(\dfrac{x\sqrt{x}+2x}{\sqrt{x}+2}\) + \(\dfrac{9-x}{3+\sqrt{x}}\) - x

\(\left(\dfrac{2-x\sqrt{x}}{2-\sqrt{x}}+\sqrt{x}\right)\) : \(\dfrac{2-x}{2-\sqrt{x}}\)

\(\left(\dfrac{\sqrt{x}}{7-7\sqrt{x}}+\dfrac{\sqrt{7}}{\sqrt{7x}-x}\right)\) : \(\dfrac{1}{7\sqrt{x}-x\sqrt{7}}\)

\(\dfrac{2\sqrt{x}-2}{\sqrt{x}-1}\) + \(\dfrac{x-1}{\sqrt{x}+1}\)

\(\sqrt{68+30\sqrt{6}}\)