\(P=\left(\dfrac{-\left(2+\sqrt{x}\right)}{\sqrt{x}-2}+\dfrac{\sqrt{x}}{\sqrt{x}+2}-\dfrac{4x+2\sqrt{x}-4}{\sqrt{x}^2-2^2}\right):\left(\dfrac{2}{2-\sqrt{x}}-\dfrac{\sqrt{x}+3}{\sqrt{x}\left(2-\sqrt{x}\right)}\right)\)
\(P=\left(\dfrac{-\left(2+\sqrt{x}\right)^2+\sqrt{x}\left(\sqrt{x}-2\right)-4x-2\sqrt{x}+4}{\left(\sqrt{x}-2\right)\left(\sqrt{x}+2\right)}\right):\left(\dfrac{2\sqrt{x}-\sqrt{x}-3}{\sqrt{x}\left(2-\sqrt{x}\right)}\right)\)
\(P=\left(\dfrac{-4-4\sqrt{x}-x+x-2\sqrt{x}-4x-2\sqrt{x}+4}{\left(\sqrt{x}-2\right)\left(\sqrt{x}+2\right)}\right).\left(\dfrac{\sqrt{x}\left(2-\sqrt{x}\right)}{\sqrt{x}-3}\right)\)
\(P=\dfrac{-4x\left(\sqrt{x}\left(2-\sqrt{x}\right)\right)}{\left(\sqrt{x}-2\right)\left(\sqrt{x}+2\right)\left(\sqrt{x}-3\right)}\)
\(P=\dfrac{-4x\left(-\sqrt{x}\left(\sqrt{x}-2\right)\right)}{\left(\sqrt{x}-2\right)\left(\sqrt{x}+2\right)\left(\sqrt{x}-3\right)}\)
\(P=\dfrac{\sqrt{16x^3}}{\left(\sqrt{x}+2\right)\left(\sqrt{x}-3\right)}\)
Có j bạn xem lại coi có sai xót chỗ nào ko nhé, mk ko chắc là đúng 100% đâu.