Expand $\left(8z-5\right)^2$(8z−5)2.
Expand $\left(5p-4q\right)^2$(5p−4q)2.
Expand $\left(a+2\right)\left(5a^2-2a+2\right)$(a+2)(5a2−2a+2).
Expand and simplify:
$\left(a^2b^2+4ab-6\right)$(a2b2+4ab−6)$\left(-4ab\right)$(−4ab)