Question

If a=-1 and b =-2, find the value of expression 2a²b +2 a b2

Answer 1

Answer:

-12

Step-by-step explanation:

2a^2b+2ab^2

a=-1 , b=-2

2*-1*-1*-2 + 2*-1*-2*-2

2*1*-2 + -2*4

2*-2 + -8

-4 -8

-12