Question

Expand fully.
y(y - 3)(y – 6).​

Answer 1

y³-9y²+18y

Step-by-step 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