Write in Standard Form f(x)=4x+x^3

$f (x) = 4 x + x^{3}$

Step 1

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$f (x) = a x^{2} + b x + c$

Step 2

Reorder $4 x$ and $x^{3}$ .

$f (x) = x^{3} + 4 x$