Question 303186
Just add the fractions just like adding regular fractions.

[(x + 3)/x^2] - 16 + [(2x - 1)/(x + 3)(x - 4)] =

HINT: The LCD = x^2 *(x + 3)(x - 4)

Now multiply each term by the LCD to remove the fractions.

NOTE: -16 is actually a fraction in the form -16/1.

Can you do it now?