Answer
$-\frac{7\sqrt {11}}{5x}$
Work Step by Step
$\frac{\sqrt {99}}{5x}-\sqrt \frac{44}{x^2}$
$\frac{3\sqrt {11}}{5x}-\frac{2\sqrt {11}}{x}$ The LCD is 5x.
$\frac{3\sqrt {11}-10\sqrt {11}}{5x}$
$-\frac{7\sqrt {11}}{5x}$
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