Radicals is defined as as a mathematical sentence
represented by the notation
n√a, where n is the
index or order of the
radical and a is the radicand or
the expression inside the radical sign. In simplifying radicals,
there are three laws.
Product Law, Quotient Law, and Other Laws.
There are three processes in simplifying radicals, Removal of factors,
Lowering the Index, and Rationalizing the Denominator.
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| 5. The square root of the sum of a number and 9 is 12. Find the Number. | 
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