Question

4a square-4ab-15b square ÷2a-5b

Answer 1

$2xy \sqrt{ \sqrt[.206]{1} 01} 054.$
$2 {2}^{2} | |x {5? \times \frac{?}{?} }^{?} | | < < \sec( \sec( \sec(isjshhsh \: \: ) ) ) \times \frac{?}{?}$