Factorize : $\bigg(\large\frac{3}{4}$$x -\frac{4}{3}$$y\bigg)^2+2xy$

Question

$\begin{array}{1 1} \frac{9}{16} x^2 -\frac{16}{9} y^2 \\ \frac{9}{16} x^2 +\frac{16}{9} y^2 \\ \frac{9}{16} x^2 +\frac{19}{9} y^2 \\ 16x^2-9y^2 \end{array} $