Answer: a=0 , b=-36
Step-by-step explanation:
factors (x-3) (x+3)
means x=3 , -3
so u then substitute it in the equation and one by one
when u do that you'll get 81a+3b=-108 -------(1)
81a-3b=108 --------(2)
then u solve them simultaneously, by doing that,
u get a=0 then b=-36
