Step-by-step explanation:
f(x) = 4x + 5, g(x) = 9x − 4
(f-g)(x) = f(x) -g(x)
=4x+5-9x+4
=-5x+9
=9-5x
X meaning the letter X that’s how math works OR either X as for multiplication so it would be like -80x get it or no
the answer is -8. have a nice day!⭐️
