Question

simplify -6z2(z+3)

Answer 1

-6z^(2)(z+3)

Multiply -6z^(2) by each term inside the parentheses.
-6z^(3)-18z^(2)

Answer 2

-6z^3-18z^2

Answer 3

thanks to both of you so much

Answer 4

here is another one
(4b2)(5b3)