Question

If a= -2 and b = 4 3a^2- 5b =6ab^2=

Answer 1

-2 and b = 4 3a^2- 5b =6ab^2=

Answer 2

3a^2- 5b =32

6ab^2=-192

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