Question

find the value of b if the value of9a^2-3b+6ab is -3 when a = -2

Answer 1

Answer:

39/15

Step-by-step explanation:

put the value of a and write the equation and hence you will get the same answer

Answer 2

Step-by-step explanation:

9a^2-3b+6ab=-3

9×(-2)^2-3b+6(-2)b=-3

36-3b-12b=-3

39/15=b