Question: Multiply and simplify. [ begin{array}{l} (sqrt{x}-sqrt{5})(sqrt{x}+sqrt{5})= (sqrt{x}+2 sqrt{5})^{2}= end{array} ]
Multiply and simplify. \\[ \\begin{array}{l} (\\sqrt{x}-\\sqrt{5})(\\sqrt{x}+\\sqrt{5})= \\\\ (\\sqrt{x}+2 \\sqrt{5})^{2}= \\end{array} \\]
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