Desarrolla $\left(0$ left $\left(-2x-3y$ \ $1gnt\right)$ $21\right)\left(-2x-3y^{2}\right)$

$5$ Desarrolla los siguientes productos. a. $\left(\dfrac {1} {3}x-y\right)^{2}$ $\left($ $\left(\dfrac {5} {7}x^{3}y^{2}+\dfrac {1} {2}x^{2}y^{3}\right)$ b. $\left(\dfrac {1} {5}m+n\right)$ $g$ $\left(\dfrac {1} {4}m^{3x}n^{x}-\dfrac {3} {8}\right)^{2}$ $c.$ $\left(\dfrac {2} {3}a^{2}b-\dfrac {1} {5}ab^{2}\right)^{2}$ $h.\left(\dfrac {2} {5}a^{x}b^{x+1}+\dfrac {1} {6}b\right)^{2}$ $d$ $\left(\dfrac {5} {7}x^{n+1}-\dfrac {3} {10}y^{n}\right)$ $i$ $\left(\dfrac {1} {2}x^{3a}-5x^{a}\right)^{2}$ $e$ $\left(\dfrac {2} {9}m^{x}-\dfrac {3} {7}n^{x+2}\right)^{2}$ $i.$ $\left(\dfrac {5} {11}m^{4-1}-7m^{a}\right)$ Lntor Áron de los siguientes cuadrados

Desarrolla los siguientes $prodwtos:$ $a\right)\left(x-2\right)^{2}$ $b\right)\left(y-5\right)^{2}$ $c\right)\left(y-\dfrac {1} {10}\right)^{2}$ $d\right)\left(y-\dfrac {5} {2}\right)^{2}$