$\left|-4\right|>-\left|4\right|$
$\left(3xy^2\:-\:5\right)^2$
$\frac{\sin\left(x\right)^2-\cos\left(x\right)^2}{\cos\left(x\right)\left(\sin\left(180-x\right)-\cos\left(x\right)\right)}-1$
$\lim_{x\to\infty}4-5x^2$
$\int t^3e^{2t}dt$
$3a^3b^2e\left(ab^3+5e^3\right)$
$x^2+1<2x$
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