Given data:
The given expression is f(x)=3/4(x-2)(x+2).
The given expression for the function is,
[tex]\begin{gathered} f(x)=\frac{3}{4}(x-2)(x+2) \\ =\frac{3}{4}(x^2-4) \\ =\frac{3}{4}x^2-3 \end{gathered}[/tex]Thus, the standard expression is 3x^2/4 - 3.