im proven right once again. why cant i just learn my lesson?! because im young, dum. b, naive, st. pid, idi. otic, and a girl who doesnt deserve anything and dont pay attention to this im just venting i need to know what 9x + 4 is thanks

what is it ?? hmm?

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b