$\left(-4\:+wy^4\right)\left(4+wy^4\right)$

$\left(\sqrt{2}y-\sqrt{8}\right)^2$

$\lim_{x\to\infty}\left(\frac{\arctan\left(\frac{x}{6}\right)}{\arcsin\left(\frac{1}{x}\right)}\right)$

$-7x<42$

$5x-20$

$\left(2x^2-3\right)x\left(2x^2+3\right)$

$\left(2m\:-\:5\right)^2$