Respuesta :

okorobenita13

Answer:

y³-9y²+18y

Explanation:

First

(y-3)(y-6)

y(y-6)-3(y-6)

y²-6y-3y+18

Then,

y(y²-6y-3y+18)

=y³-6y²-3y²+18y

=y³-9y²+18y