Question

$$f(x)=(5x- { 4 }^{ )3 }$$

Answer

$$f=(5*x-4^*3)/x$$

Solution


Remove parentheses.
\[fx=5x-{4}^{}\times 3\]
Divide both sides by \(x\).
\[f=\frac{5x-{4}^{}\times 3}{x}\]