Упростите выражение:  [latex]\frac{(x^{2} - y)(y + x\sqrt{y}+ x^{2})}{y\sqrt{y}-x^{3}}[/latex]

[latex]\frac{(x^{2}-y)(y+x\sqrt{y}+x^{2})}{y\sqrt{y}-x^{3}}= \frac{(x^{2}-y)(y+x\sqrt{y}+x^{2})}{(\sqrt{y})^{3}-x^{3}}=\frac{(x^{2}-y)(y+x\sqrt{y}+x^{2})}{(\sqrt{y}-x)(y+x\sqrt{y}+x^{2})}= [/latex] =[latex]\frac{(x-\sqrt{y})(x+\sqrt{y})}{\sqrt{y}-x}=-(x+\sqrt{y})=-x-\sqrt{y}[/latex]