HornerForm

HornerForm[poly] puts the polynomial poly in Horner form for efficient numerical evaluation.

HornerForm[poly, vars] uses the specified variables.

Examples

Convert polynomial to Horner form:

HornerForm[1 + x + x^2 + x^3]
(* 1 + x (1 + x (1 + x)) *)

Multivariate:

HornerForm[a + b x + c x^2, x]
(* a + x (b + c x) *)

Please visit the official Wolfram Language Reference for more details.