Answer with explanation:
Two expression are said to be equivalent, if after substituting the value of variable by any constant the numerical value of both original expression and equivalent expression are same.
The original expression is
[tex]=\frac{1}{4n-16}[/tex]
Equivalent expression
[tex]=\frac{1}{4 n-4 \times 4}\\\\=\frac{1}{4 \times (n-4)}[/tex]
