$(5$ points$)$ Use integration by parts with $u=(4x-1)e^{4x+5}$ to evaluate ${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{(4x-1)e^{4x+5}}{x^2}dx.$ Simplify your answer as much as possible.

integration strategies we know so far are: substitution, integration by parts, trig integrals, and partial fractions.