Write in Standard Form f^2-2f+f^4

$f^{2} - 2 f + f^{4}$

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

$a x^{2} + b x + c$

Move $- 2 f$ .

$f^{2} + f^{4} - 2 f$

Reorder $f^{2}$ and $f^{4}$ .

$f^{4} + f^{2} - 2 f$