2 câu trả lời
Lời giải:
\(\begin{array}{l}16\sqrt{x}-5\sqrt{x}-3=6\sqrt{x}(DKXD:x\ge0)\\\leftrightarrow 16\sqrt{x}-5\sqrt{x}-6\sqrt{x}=3\\\leftrightarrow 5\sqrt{x}=3\\\leftrightarrow \sqrt{x}=\dfrac{3}{5}\\\leftrightarrow x=\dfrac{9}{25}(TMDK)\end{array}\)