Aljabar Contoh

$- x^{7} + b x^{3} + c$

Langkah 1

Tulis $- x^{7} + b x^{3} + c$ sebagai fungsi.

$f (x) = - x^{7} + b x^{3} + c$

Langkah 2

The function has more than one variable.

The leading coefficient test requires one variable only