The answer to Your question is 146.25
This equation simplified would be 2x^2.
Since we have terms that are not like (one has a variable and the other doesn't), we simply put them together when being multiplied.
x^2 * 2 = 2x^2
I'm pretty sure it would go between 8 and 10 if it's 9 sports books it would go between 8 an 10
I'm pretty sure it's y=4x-7. I could be wrong but the way I set it up is definitely close if not correct