Many when you solve it it works out perfectly.
Answer:
It must travel through a medium
Step-by-step explanation: Because I said so >:(
Discriminant = square root (b^2 -4*a*c)
square root (64 -4*1*12) =
square root (16) =
4
Therefore it has 2 rational soltions
6 + 9x.....a common factor in both terms is 3
3(2 + 3x) <==