Rationalize the numerator and simplify the expression, assuming $x > 0$. $7 - \sqrt{x} = $
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Step 2: $(7 - \sqrt{x}) \times \frac{7 + \sqrt{x}}{7 + \sqrt{x}} = \frac{(7 - \sqrt{x})(7 + \sqrt{x})}{7 + \sqrt{x}}$ Step 3: The numerator is a difference of squares, so we can simplify it as follows: Show more…
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