\(P=\dfrac{1}{x^2-\sqrt{x}}:\dfrac{\sqrt{x}+1}{x\sqrt{x}+x+\sqrt{x}}\)
\(P=\dfrac{1}{\sqrt{x}\left(x\sqrt{x}-1\right)}.\dfrac{\sqrt{x}\left(x+\sqrt{x}+1\right)}{\sqrt{x}+1}\)
\(P=\dfrac{x+\sqrt{x}+1}{\left(\sqrt{x}+1\right)\left(\sqrt{x}-1\right)\left(x+\sqrt{x}+1\right)}\)