Question

плиз, помогите!!!!!!!3

Answer 1

= (9z²+z - 18z - 2)·(4z-9)= 36z³-81z²+4z²-9z-72z²+162z-8z+18=
=36z³-149z²+145z+18

Answer 2

(z-2)(9z+1)(4z-9)=(9z^2+z-18z-2)(4z-9)=(9z^2-17z-2)(4z-9)=36z^3-81z^2-68z^2+153z-8z+18=36z^3-149z^2+145z+18