$\left(2y+5\right)\left(3y-8\right)$
$\left(y+13\right)\left(y+30\right)$
$\left(\sqrt[3]{27}\right)^{-6n}\cdot3^2\cdot3^3$
$\left(10m-6y\right)^2$
$5x+4>19$
$1-\sin^2$
$\left(\frac{3}{7}a-\frac{2}{5}\right)\left(\frac{4}{9}a-\frac{3}{7}\right)$
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