Answer:
3a^2- 5b =32
6ab^2=-192
Step-by-step explanation:
3a^2- 5b =
Let a = -2 and b=4
3(-2)^2 -5(-4)
3*4 -(-20)
12 +20
32
6ab^2=
6(-2)*(4)^2
6(-2)*16
-192
-2 and b = 4 3a^2- 5b =6ab^2=
