1) y³-9y-2y³-16y²-32y=3-y³-16y²
-41y=3
y=-3/41
2) 3a(7a+3)-5a(a+4)(a+2)-(a-3)(3+a)(a²+9)=
=21a²+9a-5a³-30a²-40a-a^4-81=-a^4-5a³-9a²-31a-81
1) y³-9y-2y³-16y²-32y=3-y³-16y²
-41y=3
y=-3/41
2) 3a(7a+3)-5a(a+4)(a+2)-(a-3)(3+a)(a²+9)=
=21a²+9a-5a³-30a²-40a-a^4-81=-a^4-5a³-9a²-31a-81