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	Các bình luận về: Cho hai số thực dương \(x\), \(y\) thỏa mãn \({\log _3}\frac{{3(y + 1)}}{{\sqrt {x + 1} }} + 3y(y + 1) =- {y^3} + x\sqrt {1 + x}+ \sqrt {1 + x} \). Tìm giá trị nhỏ nhất của biểu thức \(P = {x^3} &#8211; {x^2} &#8211; {y^2} &#8211; 2y + 2021\).	</title>
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