Question

$$f(x)=x^{2}-3x-4:$$

Answer

f=((x-4)*(x+1))/x

Solution


Divide both sides by \(x\).
\[f=\frac{{x}^{2}-3x-4}{x}\]
Factor \({x}^{2}-3x-4\).
\[f=\frac{(x-4)(x+1)}{x}\]